Abstract
This study offers a constructive synthesis of the moral epistemologies of AbÅ« ḤÄmid al-GhazÄlÄ« (d. 505/1111) and Immanuel Kant (d. 1804), two philosophers rooted in distinct intellectual traditions yet united by a shared concern with the conditions of moral agency. Moving beyond thematic comparison, this study integrates al-GhazÄlÄ«âs prophetic faculty with Kantâs faculties of cognition to formulate a Three-Dimensional Ethical Framework. This framework articulates a more comprehensive account of moral agency â one that preserves the rational autonomy central to Kantâs ethics while incorporating the supra-rational dimension essential to al-GhazÄlÄ«âs spiritual pedagogy. Drawing in part on Seyyed Hossein Nasrâs (b. 1933) perennialist reading of Islamic epistemology, the paper articulates a holistic model of moral education that reconciles reason and revelation. The result is a pedagogical model that bridges rational and prophetic approaches to ethics, reimagining moral education as a transformative journey engaging the full human being â reason, character, and soul â in the pursuit of moral and human perfection.
1 Introduction
AbÅ« ḤÄmid al-GhazÄlÄ« (d. 505/1111) and Immanuel Kant (d. 1804), two towering and highly influential figures of world philosophy, stand separated by nearly seven centuries and hail from distinct intellectual traditions. Despite emerging from seemingly different intellectual and theological contexts, their epistemological frameworks resonate with notable similarities â particularly in their shared concern with the limitations of demonstrative reason and the conditions for moral agency. Scholars have increasingly explored these resonances, tracing possible lines of influence from al-GhazÄlÄ« to Kant or his predecessors in Western philosophical thought. They have also identified deep structural parallels in both philosophersâ treatments of scepticism, causality, and moral autonomy (Sharif 1963; Götz 2003; Akdogan 2003; Truglia 2010; Bagheri Noaparast and Bagheri Noaparast 2013; Parvizian 2020). Akdogan has gone so far as to suggest that Kantâs monumental work, Kritik der reinen Vernuft (âCritique of Pure Reasonâ), is essentially a reiteration of ideas that al-GhazÄlÄ« previously expounded centuries earlier (Akdogan 2003, 487).
Despite this growing body of comparative literature, most existing scholarship remains confined to either thematic parallel or philosophical demarcations. These studies tend to treat al-GhazÄlÄ« and Kant as representatives of fundamentally different systems â either aligning them in limited epistemic or ethical overlap or emphasizing their mutual incommensurability. This paper, by contrast, aims to move beyond a mere comparative analysis toward constructive synthesis. It argues that al-GhazÄlÄ«âs tripartite model of cognition â integrating sense, understanding, and prophecy â can complement and deepen Kantâs dual-faculty model of sense and understanding, yielding a more holistic epistemology with significant implications for moral education. Seyyed Hossein Nasrâs (1989; 2007) perennialist reading of Islamic epistemology further supports this integrative project. His interpretation of Ê¿aql as encompassing both discursive reasoning and spiritual intuition provides a conceptual bridge between al-GhazÄlÄ«âs prophetic faculty and modern philosophical accounts of transcendence.
Methodologically, this study adopts a constructive philosophical approach. While it draws on close textual analysis of both al-GhazÄlÄ«âs and Kantâs primary works and engages relevant secondary scholarship, its aim is not merely to contrast the two thinkers or trace historical influences. Instead, it seeks to formulate a normative ethical framework that synthesizes their respective insights into a unified pedagogical model: the Three-Dimensional Ethical Framework. This model integrates rational autonomy, practical moral cultivation, and spiritual realization, offering a vision of moral education that engages the full human being â mind, body, and soul. Kant provides the structural grounding for moral reasoning and autonomy, while al-GhazÄlÄ« contributes a transcendent dimension rooted in the prophetic faculty. Together, they inform a comprehensive pedagogy that addresses contemporary educational needs in both secular and religious contexts.
The central claim of the study is that integrating al-GhazÄlÄ«âs concept of prophetic cognition with Kantâs rational faculties enables a richer account of moral agency â one that respects the autonomy central to Kantâs ethics while incorporating the supra-rational insights essential to al-GhazÄlÄ«âs spiritual pedagogy. The paper develops this argument in three steps: (1) by establishing an ontological context in which sense, understanding, and prophecy are hierarchically and functionally interrelated; (2) by offering an epistemological account of how these faculties interact in moral reasoning, with particular attention to the legitimacy of prophetic knowledge; and (3) by articulating pedagogical principles that demonstrate how al-GhazÄlÄ«âs model of spiritual cognition can enhance rather than replace Kantian moral reasoning.
In doing so, the study addresses key limitations in both systems. Kantâs framework, while emphasizing autonomy and universality, lacks a transcendent grounding for moral aspiration beyond duty. Al-GhazÄlÄ«âs model, while spiritually comprehensive, can lack procedural safeguards for individual autonomy in pluralistic contexts. By integrating these complementary strengths, this study proposes a reconciliatory model of moral development that unites reason and revelation â not by subsuming one under the other, but by allowing each to inform and elevate the other within a holistic vision of human moral formation. This constructive synthesis responds to contemporary critiques of overly rationalist ethical models by reimagining moral education as a process that cultivates not only reason, but also embodied virtue and spiritual awareness â thereby engaging the whole human being: mind, body, and soul.
2 Kantâs Epistemology and the Two Faculties
The Enlightenment era in Western philosophy emphasized the primacy of human reason in discerning real knowledge and experiences, inspiring the development of natural, mechanistic sciences while largely disregarding the existence of anything beyond the material realm. However, this approach posed challenges for classical and religious moral frameworks, placing humans in a dual condition. Empiricists depicted humans as passively subjected to external causality, while Rationalists emphasized distancing humans from material reality. This duality, as Rohlf (2024) contends, conflicted with classical views that necessitate human freedom for moral judgments and traditional religious perspectives which underscored the existence of a soul accountable to God in the afterlife.
Contrary to Rationalist claims of intellect as the sole cognitive power and Empiricist assertions of sense perception as the sole source of reliable knowledge, Immanuel Kantâs epistemology posits two fundamental faculties of cognition: sensibility and understanding. Sensibility encompasses intuitions, sense perception, and mental imagery, while understanding involves concepts, thought, and discursivity (Hanna 2017, 3). In his inaugural dissertation, De Mundi Sensibilis atque Intelligibilis Forma et Principiis (âOn the Form and Principles of the Sensible and the Intelligible Worldâ), Kant distinguishes these faculties, arguing that they engage with two distinct worlds: the world of phenomena and the world of noumena. The faculty of sensibility, the capacity for sense experience, grants access to the sensible world (phenomena), while the faculty of understanding, the capacity of concept formation, enables comprehension of the intelligible world (noumena) (Rohlf 2024, 6). Through this distinction, Kantâs epistemology assigns a dynamic role to the human mind, indicating that knowledge comprises âtwo ingredientsâ: one from phenomena through the senses and the other from noumena through rationality and understanding (Smart 2008, 290â291). Kant argues in the Kritik der reinen Vernuft that substantive knowledge of the world is obtained through these two faculties (Williams 2023, 2).
In the Kritik der reinen Vernuft, Kant presents a more nuanced explanation of human cognitive faculties, transcending the simplistic rationalism/empiricism dichotomy. Kantâs epistemology suggests that the human mind constructs the sensible world from a combination of sensory input and a priori forms supplied by cognitive faculties. These a priori forms serve as a framework for ordering sensory input. As Rohlf (2024, 11) contends, our a priori knowledge is limited to aspects of the sensible world reflecting forms that our cognitive faculties supply. In other words, our a priori cognition is only what we ourselves have constructed and has eventually become innate. This process results from the cooperation of sensibility and understanding, constructing comprehension and knowledge of the perceived world. The cooperation of these faculties is fundamental for knowledge acquisition and judgment formation (Williams 2023, 4). Kantâs rejection of the rationalist view that âsensibility is only a confused species of intellectual cognitionâ (Rohlf 2024, 5) suggests that phenomena depend on both sensory data received passively through sensibility and active processing by the mind according to a priori rules (Rohlf 2024, 12). Despite Kantâs distinction between the sensibility and understanding faculties, he argues that both are necessary for knowledge acquisition. Kant contends that cognition arises only from the unification of these faculties (Akdogan 2003, 501). This treatment of cognitive faculties aligns Kant more closely with refined rationalism, rejecting the notion that pure knowledge is attainable through the senses alone.
2.1 Towards Autonomous Humanity
Kantâs argument underscores the substantial autonomy of the understanding power, which is not merely subject to experiences derived from sensibility. Therefore, humans are not mere âpassive observers, waiting for nature to impress its regularity upon usâ (quoted in Akdogan 2003, 501). This is because not only causality but also other concepts, such as time and space, are known to us a priori (Akdogan 2003, 501). Our understanding, with its capacity for concept formation, not only interprets nature but actively imposes its laws upon it. Consequently, knowledge cannot be reduced to âa set of associated sensations, nor ⦠a purely rational system of relations or thoughtâ (Akdogan 2003, 502).
The understanding power serves as a paradigm through which we interpret experiences created from the sense data we receive. Sense data are not passively received but are structured by our understanding. Thus, a priori knowledge about the general structure of the sensible world, the world of appearances, depends on the a priori structures of the human mind. Kant asserts that âa priori knowledge is possible only if and to the extent that the sensible world itself depends on the way the human mind structures its experiencesâ (Rohlf 2024, 11). Thus, both faculties are interdependent in generating knowledge.
Understanding structures sense data into empirical concepts, using its categories as a framework for shaping specific experiences. However, understanding cannot surpass experiences established from empirical concepts of sense data. Kant explains that although indispensable for objective knowledge, the categories of understanding âyield valid and real knowledge only when ordering what is given through sense in space and timeâ (Bird and Duignan 2025, 4). This epistemological foundation ultimately leads to human agency and freedom, as humans possess the capacity for active creativity and formation of laws, fundamental in Kantâs moral philosophy. However, according to Williams (2023, 6), for Kant, knowledge is not the sole purpose of reason; in its practical application, âreason addresses our role within the world.â Hence, Kantâs practical reason, which is elaborated below, sets forth the conditions and implications of this role of autonomous humanity.
2.2 Moral Reasoning at the Pinnacle of Autonomy
Kant posits that human experience, shaped by the cooperation of the faculties of sensibility and understanding, within the latterâs realm of theoretical or pure reasoning, cannot transcend the limits of perceptible experience without falling into fallacies and illusions (Guyer 1998, âThe Project of the Critique,â §2). Essentially, Kant suggests that pure reasoning cannot access the existence of entities like an immortal soul, God, or free will because they transcend the sense experiences structured by understanding categories. Kant contends that equally convincing arguments can be made for both affirming and negating the existence of God (Bird and Duignan 2025, 4). Thus, in pure reason, the existence of God or an eternal soul cannot be definitively proven or refuted. Kant does not deny the possibility of a realm beyond human cognition but asserts that human logic cannot grasp it (Bird and Duignan 2025, 2). To resolve the paradox of simultaneously being governed by natural laws as phenomena and not being governed by such laws as noumena, Kant introduces the concept of âpractical reason.â Practical reason, governed by the categorical imperative, is essential for moral actions, navigating the human condition of existing as both phenomena and noumena (Guyer 1998, âFreedom of the will,â §4).
According to Kant, practical reason is a necessity arising from our rationality. Recognizing our autonomy and freedom of will, inherent to being noumenal beings, necessitates rational awareness of our moral obligations. Kantâs ethics, like his epistemology, distinguishes between the inclination of the body and moral reason. For humans, this opposition is continuous as they are both flesh and spirit (Bird and Duignan 2025, 4). Moral reasoning is thus indispensable for constructing moral laws, such as the categorical imperative, and ideals of human conduct that are rational to regulate and govern human action amidst the perpetual conflict between inclination and reason.
Moreover, practical reason presents other necessary postulates essential in moral philosophy: the existence of God and the immortal soul. These postulates are necessary for realizing the âultimate end of human endeavor, the Highest Good,â which is perfect happiness in harmony with perfect virtue (Johnson and Cureton 2022, 3). Since human circumstances frequently stray from ideal morality, Kant postulates immortality and divine existence as necessary conditions for achieving moral perfection (Guyer 1998, âFreedom of the will,â §8). These postulates express hope for attaining the Highest Good, a task Kant deems beyond human capability without them (Williams 2023, 15). Thus, practical reason, through constructing universal laws and ideals like the categorical imperative and necessary postulates, represents human autonomy, as these laws originate from human rationality. Therefore, in the perpetual struggle of inclinations and reason, living a moral life entails obeying moral laws derived and commanded from within human reasoning (Bird and Duignan 2025).
3 Al-GhazÄlÄ«âs Epistemology and the Third Faculty
According to Mohamed (2011, 641), al-GhazÄlÄ«âs ethics âcombines philosophical, religious, and Sufi elements.â The interplay and interdependence of these elements are evident throughout the evolution of al-GhazÄlÄ«âs epistemology, parts of which are discussed here. Al-GhazÄlÄ«âs epistemology stems from his quest for certain, true knowledge and his scepticism about the reliability of sensory data, the supposed self-evident necessary truths, and the dependence on the faculty of reason to attain that true knowledge. As al-GhazÄlÄ« (2001, 63) articulates:
Certain knowledge is that in which the thing known reveals itself without leaving any room for doubt or any possibility of error or illusion, nor can the heart allow such a possibility ⦠whatever is known without this kind of certainty is doubtful knowledge, not reliable and safe; that all knowledge subject to error is not sure and certain.
During a period of scepticism and doubt that manifested as an illness lasting about two months, al-GhazÄlÄ« re-evaluated his intellectual foundations, including his self-evident beliefs, conceptions, and logic. He realized the need to re-examine the epistemological basis then known to him: the faculties of sense and reason. Upon scrutinizing the reliability of sensory data, al-GhazÄlÄ« recognized the necessity of another facultyâs judgment â rationality. For instance, al-GhazÄlÄ« analyzed the data acquired through sight: when observing a star, it appears to be as small as a coin. However, through rational calculations and geometric proofs, it is understood that the star is far larger than the earth. Rationality reveals the inaccuracy of the sensory data. Similarly, al-GhazÄlÄ« compared the state of wakefulness to dreaming, showing that the certainty we experience in dreams is often questioned upon waking, with rationality casting doubt on the perceived reality of the dream.
Al-GhazÄlÄ« extended his scepticism to rational data such as logic, mathematics, and self-evident truths. He concluded that just as rationality serves as a judge of the reliability of sensory data, it too requires another faculty to assess its efficacy and limitations. Al-GhazÄlÄ« was eventually compelled to search for a faculty beyond sense and reason, one that could validate the epistemic value of reason, encompassing both its strengths and limitations (Zamir 2010, 224). His scepticism ultimately restored his faith in the faculties of sense and reason as primary faculties for knowledge acquisition and cognition. Nevertheless, he acknowledged that these faculties were neither self-sufficient nor entirely reliable. This understanding prompted him to seek a third and superior faculty. As Griffel (2009) explains, this realization marks a pivotal moment in al-GhazÄlÄ«âs philosophical theology, wherein divine illumination becomes epistemically indispensable for attaining certainty.
In his quest for this third faculty, al-GhazÄlÄ« (2001, 66) noted: âThe fact that this further intelligence is not manifest does not prove that it is impossible.â This insight prompted his next endeavor: to determine a method to establish the existence or nonexistence of this elusive third faculty. Zamir (2010, 224) articulates the challenge al-GhazÄlÄ« faced: if sense and reason, the basis of al-GhazÄlÄ«âs epistemological framework, were themselves under scrutiny and doubt, how could he determine the existence of a higher faculty? Thus, al-GhazÄlÄ«âs period of scepticism culminated in his recognition of the predicament he was in. To determine whether the âfaculty beyond reasonâ existed, al-GhazÄlÄ« could only restore his reliance on the faculties of sense and reason. However, using these faculties made it impossible to conclude his quandary (Zamir 2010, 225). In his al-Munqidh min al-á¸alÄl (âDeliverance from Errorâ), al-GhazÄlÄ« (2001, 67) reflects:
I recovered my health and mental equilibrium. The self-evident principles of reason again seemed acceptable; I trusted them and in them felt safe and certain. I reached this point not by well-ordered or methodical argument, but by means of a light God the Almighty cast into my breast, which light is the key to most knowledge.
This âlightâ impelled al-GhazÄlÄ« to embark on a journey lasting about eleven years, during which he examined every field of knowledge available at the time. He explored âevery available epistemological perspective around him and evaluated its capacity to impart certaintyâ (Zamir 2010, 226). Al-GhazÄlÄ« sought to comprehend the nature of this light and its cognitive implications for the development of his epistemology. It is crucial to recognize that al-GhazÄlÄ«âs epistemology, scepticism, and pursuit of certainty were framed within the context of Islamic thought. To fully grasp the entire process, one must understand al-GhazÄlÄ«âs perspective on the concepts of body, mind, and heart-soul within this Islamic paradigm.
Al-GhazÄlÄ«âs emphasis on the limitations of sensory and rational faculties highlights his innovative approach to epistemology, one that transcends the purely empirical and rationalist paradigms dominant in his time. By acknowledging the presence of a higher faculty, symbolized by the divine âlight,â al-GhazÄlÄ« bridged the gap between reason and faith, integrating them into a cohesive epistemological framework. Moreover, al-GhazÄlÄ«âs journey underscores the importance of a holistic approach to knowledge that incorporates spiritual insight and personal transformation. His experiences and reflections reveal that true knowledge is not merely a product of intellectual endeavor but also spiritual enlightenment and inner purification. This perspective not only expanded the scope of epistemology in the Islamic tradition but also provided a model for reconciling faith and reason, a challenge that continues to resonate in contemporary philosophical and theological discourse.
3.1 Synthesizing the Rational and the Mystical
Ultimately, al-GhazÄlÄ«âs exploration of the third faculty underscores a fundamental tenet of his thought: the recognition that knowledge encompasses both the seen and the unseen, the rational and the mystical. His epistemological framework, deeply rooted in Islamic spirituality, offers a comprehensive approach to understanding reality, one that embraces the complexities and mysteries of human existence while affirming the possibility of achieving true knowledge through divine illumination and inner transformation.
Akdogan (2003, 490) explains that al-GhazÄlÄ« distinguishes between body and soul as separate components, which consequently positions humanity âoutside and above nature.â This view provided a novel understanding of the human soul for his time. Al-GhazÄlÄ« posits that God has created humans from two distinct components: the body and the soul. In The KÄ«mÄ«yÄ-yi SaÊ¿Ädat (âAlchemy of Happinessâ), al-GhazÄlÄ« (1873, 15) elucidates:
God created [humans] of two things: the one is a visible body, and the other is something internal, that is called spirit and heart, which can only be perceived by the mind. But when we speak of heart, we do not mean the piece of flesh which is in the left side of the breast of a man, for that is found in a dead body and in animals: it may be seen with the eyes, and belongs to the visible world. That heart, which is emphatically called spirit, does not belong to this world.
The body, al-GhazÄlÄ« asserts, is distinct from the heart-soul in that it is âsubject to generation and corruption, composite, made up of parts, earthly, whose nature cannot be completed except by means of something elseâ (Akdogan 2003, 490). The body is a material entity prone to disintegration and mortality, as it is composed of matter and form and subject to the laws of nature that govern its capabilities and limitations. In contrast, the heart-soul is what completes and animates the human body. The soul comes directly from God, making it immaterial, eternal, and unique in its nature compared to the body and any other aspect of the natural world. Al-GhazÄlÄ« characterizes the heart-soul as a fundamental, singular, and enlightened entity, capable of understanding, action, and movement, and which completes both instruments and bodies. He asserts that the essence of human beings resides in the heart-soul, as it is the source of perfection, life, and the forces driving morality or corruption. The heart-soul is the seat of attributes such as remembering, studying, reflection, discernment, and careful consideration (Akdogan 2003, 491). According to al-GhazÄlÄ«, these attributes render the soul an independent and distinct substance from the body, highlighting its immaterial and eternal nature.
In essence, al-GhazÄlÄ«âs articulation of the body and heart-soul underscores a dualistic vision where the body serves as a temporary vessel, while the heart-soul is the true essence of humanity, endowed with divine attributes and destined for an eternal journey beyond the physical realm. This insight not only places humanity in a unique position in the cosmos but also provides a framework for exploring the spiritual dimensions of existence, which are central to al-GhazÄlÄ«âs philosophical and theological thought. Nasr (1989) interprets this view as part of a broader Islamic cosmology in which the human heart-soul is a mirror of divine reality, and true knowledge entails reactivating the spiritual intellect. This mirrors al-GhazÄlÄ«âs notion of prophecy not as mystical excess, but as the culmination of a complete epistemic hierarchy rooted in Islamic metaphysics.
However, according to Akdogan (2003), al-GhazÄlÄ«âs distinction between body and heart-soul does not imply dualism. Akdogan provides three explanations for this viewpoint. First, he argues that âTo distinguish between two things is not necessarily a dualismâ (Akdogan 2003, 490). Second, al-GhazÄlÄ« himself believes that humans embody both body and soul, existing simultaneously as a physical entity and a spiritual essence. The heart-soul governs over the body, regulating its functions and embodying its spiritual essence, hence viewing body and soul as âtwo different aspects of the same entityâ (Akdogan 2003, 491). In KÄ«mÄ«yÄ-yi SaÊ¿Ädat, al-GhazÄlÄ« (1873, 15) describes the heart-soul as âthe sovereign of the body, which is its vehicle, and all the external and internal organs of the body are its subjects.â Thirdly, unlike Descartes (d. 1650) and subsequent philosophers who posited a real distinction and severed connections between body and soul, al-GhazÄlÄ« emphasizes a dynamic interaction and mutual dependence between them. While the soul acts as a spiritual principle imbued with inherent life that animates, governs, and regulates the body, it also relies on the body in the physical realm. The body serves as a vehicle through which the soul governs, perceives, and interprets the sensory world, images, and abstract ideas (Akdogan 2003, 492). This active and creative role of the heart-soul, interacting with the body, portrays humans not as passive parts of the natural order, but as stewards on earth, aligning with the QurʾÄnic inscription of the humanâs central purpose (Q 2:30 and 38:26).
As previously mentioned, al-GhazÄlÄ«âs pursuit of certainty required transcending his epistemological reliance on sense and reason alone as adequate faculties for acquiring true knowledge. Recognizing the distinction between heart-soul and body led him to seek a path beyond these conventional faculties. Thus, he detached himself from the world of sense and reason to explore a faculty capable of accessing experiences otherwise unattainable. Zamir (2010, 227) notes that for al-GhazÄlÄ«, this quest involved not merely intellectual understanding, but practical engagement â actively practicing asceticism and renouncing worldly attachments. His search for a higher faculty than reason ultimately led him to embrace the Sufi path.
On the Sufi path, al-GhazÄlÄ«âs journey illustrates that mere theoretical knowledge gleaned from books is insufficient; what is essential is âfruitional experiences,â the direct experiential understanding and the ecstatic states that accompany it (Zamir 2010, 227). In his al-Munqidh min al-á¸alÄl, al-GhazÄlÄ« (2001) elaborates on âfruitional experiencesâ by stating that true knowledge comes not just from logical proof but from intimate knowledge of ecstasy, the personal experience or savoring of those states. He distinguishes this experiential knowledge from mere faith, which is founded on conjecture and relies on second-hand accounts or othersâ experiences. These âfruitional experiencesâ are integral to the mystical journey and are linked to the mystery of prophecy, serving as a pathway to certainty, which al-GhazÄlÄ« describes as illumination enabled by prophetic guidance (Zamir 2010, 227).
3.2 The Faculty of Prophecy
Al-GhazÄlÄ« ultimately establishes prophecy as the highest and most profound faculty of knowledge, transcending the capabilities of reason and sense perception. The journey of human understanding, according to al-GhazÄlÄ«, begins with the faculty of sense, as the initial stage, which allows humans to perceive the world through sensory input. This is followed by the intellect, which enables the mind to grasp abstract concepts and to differentiate between what is necessary, possible, and impossible. This intellectual capacity is where humans begin to engage with ideas that are not directly accessible through sensory experience. Beyond the intellect lies the faculty of prophecy, a stage where human understanding moves into the realm of the divine and the supra-rational. In this stage, a person is endowed with an âeyeâ illuminated by divine light, enabling the perception of the unknown and phenomena beyond the reach of intellect (Zamir 2010, 229).
Zamir (2010) emphasizes the need to distinguish al-GhazÄlÄ«âs concept of prophecy or divine light with Descartesâ notion of natural light. For Descartes, natural light is a function of human reason â an inherent faculty operating independently and autonomously. In contrast, al-GhazÄlÄ«âs divine light is prophetic, not derived from reason but a manifestation of divine guidance that transcends and supersedes rational thought. According to Zamir, al-GhazÄlÄ«âs conception of prophecy encompasses revelation, ongoing guidance, and a supra-rational mode of knowing that is often misinterpreted as irrational. In essence, it represents the descent of knowledge from a supra-human order to the human realm (Zamir 2010, 240).
In this framework, prophecy is not merely a supernatural phenomenon but a cognitive conduit through which humans actively engage with divine knowledge. Rather than passive recipients of sensory or rational input, humans are envisioned as capable of perceiving and interpreting truths that originate beyond empirical and intellectual boundaries. In al-GhazÄlÄ«âs view, humans attain through prophecy a form of certitude and insight that is both transformative and elevating, guiding them toward spiritual and moral perfection. This integration of spiritual and rational capacities is further supported by Nasr (1989), who underscores that classical Islamic epistemology, as seen in al-GhazÄlÄ«, does not treat spiritual insight and rational thought as mutually exclusive. Instead, Ê¿aql in its full metaphysical sense encompasses both reason and the inner light that enables the heart to receive truth. Nasr argues that the prophetic faculty represents the highest operation of the intellect, not a departure from it â a view that aligns with al-GhazÄlÄ«âs account of prophecy not as anti-rational but the culmination of reason in its metaphysical fullness.
Importantly, al-GhazÄlÄ« does not equate the prophetic stage or the divine light with conventional notions of faith. Whereas contemporary understandings of faith often imply belief without direct knowledge or evidence, the epistemological framework of al-GhazÄlÄ«âs prophetic faculty, particularly as articulated in his al-Munqidh min al-á¸alÄl, makes it a distinct and superior epistemic faculty that surpasses the limitations of reason. In this framework, prophecy is not a leap of faith but a higher mode of knowledge that grants access to truths that reason cannot independently attain.
Al-GhazÄlÄ«âs insistence on the prophetic faculty as epistemically indispensable does not mark a retreat into mysticism but rather anticipates what Alston (1991, 184) later termed a âperceptual doxastic practiceâ â a framework that legitimizes religious experience as a form of knowledge. When assessed through Alstonâs criteria for a justified perceptual practice, al-GhazÄlÄ«âs appeal to a higher, God-given faculty appears as a sophisticated, coherent, pre-modern response to the very type of sceptical challenges that Alston addresses, affirming the cognitive legitimacy of prophetic insight.
Ultimately, al-GhazÄlÄ« presents a deeply interconnected epistemology composed of sense, reason, and prophecy. These faculties function not in isolation but in mutual dependence, each leading to and enhancing the others in an integrated system of knowledge acquisition. As Zamir (2010) notes, reason in al-GhazÄlÄ«âs system is not autonomous but is continually informed and guided by the prophetic faculty, which is essential for its full realization. Deprived of prophetic guidance, reason cannot function to its highest potential.
This system of interdependence within the faculties of knowledge mirrors al-GhazÄlÄ«âs understanding of the relationship between body and soul. Just as the body and soul are distinct yet interdependent, so too are the faculties of sense, reason, and prophecy. Each faculty has its own unique role, but none can achieve its full potential autonomously. This interconnectedness not only clarifies al-GhazÄlÄ«âs approach to epistemology but also deepens his account of how true knowledge is acquired â through a process that integrates the physical, intellectual, and spiritual dimensions of human existence.
3.3 True Knowledge and Perfect Morality: to Know Is to Be
A thorough and attentive study of al-GhazÄlÄ« reveals that his understanding of the concept of heart-soul and the faculty of prophecy does not suggest some âexotic mystical abstractionâ that is beyond comprehension or relegated to the ineffable (Zamir 2010, 232). Instead, within al-GhazÄlÄ«âs epistemology, the heart-soul is the seat of a third faculty capable of grasping a form of knowledge that transcends the intellectual and sensory realms â the knowledge of God. As Mohamed (2011, 650) emphasizes, the knowledge of God is the highest form of knowledge, and it is not merely intellectual but deeply rooted in the heart. This profound knowledge is not just theoretical; it is transformative, leading to the ultimate happiness of encountering God and witnessing His divine presence in the hereafter (Mohamed 2011, 646). Nonetheless, al-GhazÄlÄ« did not view the acquisition of knowledge as an end in itself, nor did he believe it should remain an abstract concept.
Within the framework of al-GhazÄlÄ«âs epistemology, the knowledge of God â true knowledge realized through the integration of all three human faculties â carries profound implications for freedom and happiness. This knowledge represents freedom because it transcends the limitations of the material world, rooted in a faculty that goes beyond the physical constraints of the senses and intellect. It signifies happiness because, in al-GhazÄlÄ«âs view, the ultimate purpose of acquiring knowledge is to attain true happiness. At the beginning of KÄ«mÄ«yÄ-yi SaÊ¿Ädat, al-GhazÄlÄ« (1873, 3) declares:
man was not created in jest or at random, but marvelously made and for some great end. Although he is not from everlasting, yet he lives for ever; and though his body is mean and earthly, yet his spirit is lofty and divine. When in the crucible of abstinence he is purged from carnal passions he attains to the highest, and in place of being a slave to lust and anger becomes endowed with angelic qualities. Attaining that state, he finds his heaven in the contemplation of Eternal Beauty, and no longer in fleshly delights.
Given these implications, al-GhazÄlÄ« argues that true knowledge inevitably leads to perfect morality. As Mohamed (2011, 645) explains, âKnowledge is not an end in itself; it should lead the student directly to God, or should aid in reaching that goal.â In essence, the knowledge of God is synonymous with morality. In this perspective, knowledge and action are inseparable: to know morality is to be moral. Al-GhazÄlÄ« (2022, 20) underscores this unity by stating, âKnowledge without action is madness, and action without knowledge is impossible.â
4 Toward a Three-Dimensional Pedagogy of Moral Education
The three-dimensional ethical framework functions as a clarifying lens through which the pedagogical implications of al-GhazÄlÄ«âs and Kantâs philosophies become not only compatible but complementary. While both thinkers agree that the ultimate aim of education is moral perfection, they arrive at this conclusion through different metaphysical and epistemological routes. The pedagogical synthesis of al-GhazÄlÄ« and Kant exposes the limitations of one-dimensional ethical instruction and insists instead on a holistic moral pedagogy rooted in knowing, doing, and becoming. Their convergence, when placed within a three-dimensional ethical framework â rational, practical, and spiritual â provides a richer, more holistic pedagogy that is not merely an intellectual enterprise, but a moral and spiritual journey aimed at cultivating the whole human person.
4.1 Education as Transformation, Not Just Transfer
In exploring the ultimate purpose of human knowledge acquisition, al-GhazÄlÄ« and Kant share some common ground but also diverge in significant ways. Kant argues that the primary focus of education should be on âthe development of humanity,â emphasizing that education must ensure that individuals become not only skillful but also moral. He asserts that âthe human being should not merely be skilled for all sorts of ends but should also acquire the disposition to choose nothing but good endsâ (Kant 2007, 444). For Kant, the destiny of humanity is to achieve perfection (Kant 2007, 438), and moral education fulfils this destiny by âcultivating the human speciesâ predisposition to perfectionâ (Dean 2012, 150). Kantâs concept of âhumanityâ is closely linked to traits associated with rational nature, a concept rooted in pure reason alone (Dean 2012, 144). This rational ideal is something humanity should strive to perfect.
Al-GhazÄlÄ«âs concept of humanity extends beyond reason into a third, spiritual dimension, which can be accessed through the faculty of prophecy. He views education as âthe noblest task after [prophethood]â (Mohamed 2011, 643), a pursuit that both equips humanity with the necessary skills for life on earth and guides them toward moral perfection in the hereafter. For al-GhazÄlÄ«, âthe purpose of study should be self-purification, as well as the pure intention to attain nearness to God. This should be the primary goal; the preparation for a career is only of instrumental valueâ (Mohamed 2011, 643). Thus, both al-GhazÄlÄ« and Kant differentiate between educationâs primary and secondary objectives. This shared recognition stems from their respective epistemological frameworks and their conceptions of the stages of human perfection.
For al-GhazÄlÄ«, acknowledging the existence of a higher faculty of knowledge acquisition and fully developing and applying it to achieve moral perfection are fundamentally distinct endeavors (Zamir 2010, 232). Similarly, Kant differentiates between merely understanding moral principles and fully embodying them. He posits that possessing basic knowledge of moral principles makes one âlegally praiseworthy,â but it is only through the active generation and application of these principles that one becomes âmorally praiseworthyâ (Surprenant 2012, 6). In al-GhazÄlÄ«âs view, the heart-soul is the center of perfect morality, which is deeply rooted in the knowledge of God, while all the âbodily extremities ⦠follow [the heart] and serveâ (Zamir 2010, 243). Thus, the goal of moral education arises from the process of educating and purifying the heart-soul. For al-GhazÄlÄ«, education is a practical endeavor aimed at moral perfection, as he considers ethics to be a practical science âto be lived, not merely to be theorized aboutâ (Mohamed 2011, 643). Al-GhazÄlÄ« believed that the purpose of education is not merely the âtransmission of knowledge but the transformation of character.â He emphasized that âgood moral character is the key to the true knowledge of Godâ (Mohamed 2011, 648). Therefore, for al-GhazÄlÄ«, education involves âthe cultivation of this sound moral character in the studentâ (Mohamed 2011, 656) by purifying the soul through virtuous thought and action, making the student receptive to the knowledge of God. Reflecting a contemporary educational thought, Lickona (1991) echoes al-GhazÄlÄ«âs holistic approach, where moral education is a formative process with character transformation as its ultimate goal. Instead of simply transmitting ethical knowledge or rules, education must actively shape the moral character of students through intentional, sustained pedagogical strategies.
In his pedagogy of moral education, al-GhazÄlÄ« emphasizes several key responsibilities for students in their quest for the knowledge of God and moral perfection. These responsibilities include purifying the soul from vices to become receptive to divine knowledge; minimizing distractions and attachments to worldly concerns, which might require significant sacrifices such as leaving oneâs country or kin; respecting and trusting the teacher; adopting a gradual approach to learning, prioritizing knowledge that directly fosters moral development in both thought and action; preparing adequately for each stage of learning; and maintaining a constant awareness of oneself, with the goal of perfecting and cultivating virtue as the ultimate aim of education (Mohamed 2011, 643â647). Al-GhazÄlÄ«âs prescribed virtues serve to establish and transform the studentâs character from the outset of their educational journey, focusing on shaping the mindâs attitudes as a foundation for moral development.
4.2 Gradual, Stage-Based Moral Development
Both al-GhazÄlÄ« and Kant recognize that achieving the highest moral aim requires a gradual educational process. The three-dimensional ethical framework explains the epistemological progression from intellectual understanding (rational) to ethical application in action (practical), to internalization through lived, embodied virtue (spiritual), revealing that true moral education must attend to all three faculties rather than privileging any one of them.
Al-GhazÄlÄ« outlines three critical stages on the path, which Zamir (2010, 232) describes as: âhearing the truth, then accepting it intellectually, and finally embodying it in a state of active awareness.â These stages â knowing, accepting, and experiencing â culminate in the experiential dimension reached through exercising. Al-GhazÄlÄ«âs concept of the third faculty and its âfruitional experienceâ are exercised and realized through the Sufi way of knowing, which entails a complete integration of body and soul. According to this approach, âheart-based knowledge of God can only come about through moral action and sound character, and not as a result of book knowledgeâ (Mohamed 2011, 656). The Sufi path integrates inner âexperiential awarenessâ with outward moral expression, embedding moral action into every aspect of life (Nanji 1991, 116). Thus, to attain the highest aim of humanity, all three faculties must operate in concert within a holistic educational framework.
Kant (2007, 444) similarly advocates for a holistic approach to education, which includes disciplining harmful inclinations, cultivating skillfulness, fostering prudence, and moralizing to choose only good ends. Louden (2000) reinforces this point, arguing that Kantâs ethics must be understood within the broader context of human development, concerned with actual human beings striving to become moral, not idealized agents already possessing perfect reason. This interpretation makes Kantâs ethics much more compatible with al-GhazÄlÄ«âs view of moral education as a gradual, transformative journey involving the whole person. Kantâs method of moral education comprises two main steps: first, acquiring knowledge of moral principles, and second, using moral reasoning to apply these principles independently (Surprenant 2012, 6). Surprenant (2012, 10) notes a gap in Kantâs explanation of how individuals transition from the second to the third stage of moral development, specifically from being motivated by satisfaction to being guided by duty. This third stage, in Kantâs view, still falls within the realm of the faculty of understanding, as practical reason evolves from pure reason. Therefore, in Kantâs moral education, âThe ultimate goal, becoming morally praiseworthy, requires the student first to use his reason to determine the principles that he should adopt, and then to adopt these principlesâ (Surprenant 2012, 8). Consequently, while both al-GhazÄlÄ« and Kant propose staged approaches to moral education, al-GhazÄlÄ«âs framework encompasses three stages aligned with his three modes of knowing, whereas Kantâs framework is limited to two stages corresponding to his two modes of knowing.
4.3 A Guided Journey to Morality
Both al-GhazÄlÄ« and Kant assign a central role to moral exemplars and guides. For al-GhazÄlÄ«, the teacher is a spiritual mentor whose authority is not arbitrary but grounded in wisdom recognized by reason. Kant similarly sees the teacher as one who fosters independence by modelling moral reasoning. The three-dimensional framework clarifies transmission of ethical knowledge (rational), cultivation of moral habits through guided practice (practical), and formation through mentorship and relational depth (spiritual).
Al-GhazÄlÄ«âs educational philosophy is grounded in the idea that the journey towards truth is guided by prophetic wisdom, progressing through various stages of intellectual refinement. As Zamir expresses it, those stages are like âmany stairs, climbing on which requires vigilant eyes, helping hands of those above, until the apical certainty is reachedâ (Zamir 2010, 232â234). Al-GhazÄlÄ« underscores the importance of following advice, taking similar steps of others, and habituation through having a knowledgeable guide, someone who has true experience of this reality. In Zamirâs expression, one either learns from personal experience or from those who possess it (Zamir 2010, 231). Similarly, Kant (2007) asserts in his Vorlesungen über Pädagogik (âPedagogyâ) that education is fundamentally a human endeavor, with individuals being educated by others who have undergone similar processes. This highlights the significance of moral exemplars in guiding individuals towards ethical conduct, as noted by Ruth and Surprenant (2012).
Both philosophers stress the importance of having a teacher to navigate the path towards true knowledge. However, al-GhazÄlÄ« emphasizes that the acceptance of a teacherâs authority must be rational and based on reasonâs approval of their guidance. As Zamir (2010) argues, to understand al-GhazÄlÄ«âs acceptance of such authority from the teacher, one must distinguish between the path to knowledge and the destination. This implies the role of the teacher in prescribing the needs of the intellectual journey and describing what the student might encounter upon arrival. âTo know really is to know it personally,â Zamir (2010, 233) states. Similarly, Kant posits that a teacherâs role is to impart moral understanding, but moral praiseworthiness only occurs when individuals freely choose to adopt moral principles. This parallels al-GhazÄlÄ«âs notion that moral education extends only as far as the duty stands, beyond which it becomes the individualâs responsibility. Both al-GhazÄlÄ«âs and Kantâs pedagogies are kept to prescriptions of how to prepare, what provisions are needed, and cultivating the predispositions required to reach the end. The pass-through is what the student must do on his or her own. Indeed, the definition of morality necessitates this.
4.4 The Role of Freedom and Intention
Freedom of choice and action is a cornerstone of both al-GhazÄlÄ«âs and Kantâs moral philosophies, wherein attaining perfect morality hinges on the exercise of freedom. Both emphasize the necessity of freely adopting moral principles rather than having them coercively imposed. The three-dimensional framework here explains that freedom enables moral deliberation (rational), intention drives moral resolve (practical), and sincerity purifies the soul for moral elevation (spiritual). Thus presented, freedom in moral education becomes a cultivated capacity for self-mastery and sincere striving toward the good.
Al-GhazÄlÄ« contends that the pursuit of knowledge leading to moral perfection commences with the individualâs voluntary decision, followed by purifying the heart from worldly vices. Intention, a crucial element of Islamic morality, holds a central place in al-GhazÄlÄ«âs ethical framework. Without proper intention, any human endeavor â regardless of its social or religious significance â fails to achieve true morality. This principle equally applies to education aimed at cultivating moral character. Al-GhazÄlÄ« emphasizes that a studentâs poor character might not prevent them from studying the sciences, but if that knowledge does not bring them closer to God, it holds little value. Theoretical knowledge, with all its sophisticated terminology and academic rigor, will only be truly beneficial to a student who possesses a pure heart and sincere intention to seek closeness to God (Mohamed 2011, 644). Thus, for al-GhazÄlÄ«, the pursuit of knowledge must be underpinned by sincere intention, as it is this intention that transforms learning into a moral and spiritual journey toward divine closeness.
Kant also emphasizes intention and the will to fulfill it as indispensable in an education that leads toward human perfection. Indeed, for Kant, it is through the efforts of individuals with broader inclinations, who care about the betterment of the world and can envision a future improved state aligned with moral law, that humanity can gradually approach its ultimate purpose (Kant 2007). This transformative process of self-purification, which begins at the outset of moral education and continues throughout the various stages of human moral development, is crucial. Though âpurificationâ might be more commonly associated with religious contexts, here it signifies the ongoing refinement and cultivation of moral character, a process that Kant considers one of humanityâs greatest challenges. This journey is slow and uncertain, complicated by the human tendency to act on the principle of self-love â the inclination to deviate from actions aligned with and motivated by moral law (Ruth and Surprenant 2012).
Ultimately, both al-GhazÄlÄ« and Kant advocate for moral education as a guided journey rooted in the freedom to choose and the intentional pursuit of moral perfection. In a more contemporary take, Noddings (2015) deepens this perspective by insisting that moral education, a process that must be freely chosen, guided, and deeply personal â all core tenets of Noddingsâ ethic of care â must engage not only the rational faculties but also the emotional and relational capacities of learners. For her, the journey toward moral maturity is not merely about instruction but is inherently embedded in caring relationships and authentic moral encounters, aligning with both al-GhazÄlÄ«âs emphasis on the teacher â student bond and Kantâs stress on self-cultivation through moral exemplars. Moreover, both al-GhazÄlÄ« and Kant acknowledge the challenges of moral education, characterized by the ongoing process of self-purification amidst the human inclination towards self-love and moral deviation.
5 Conclusion
Integrating al-GhazÄlÄ«âs and Kantâs moral philosophies offers a profound and enriched insight into moral education. Both thinkers, though separated by centuries and rooted in different traditions, converge on the idea that moral education is an essential and continuous journey toward the perfection of the human. This journey, as they see it, is not merely about discerning right from wrong but involves making choices grounded in the right intentions and reasons. Kantâs emphasis on rationality and autonomy provides a clearly articulated foundation that sets the stage for integrating al-GhazÄlÄ«âs inclusion of the prophetic faculty of the heart-soul, which introduces a supra-rational dimension to the process of moral education.
By integrating these perspectives, we can move toward a more holistic approach to moral education â one that balances the faculties of sense, understanding, and prophecy, thereby creating a three-dimensional model of moral development. This model not only acknowledges the rational and autonomous nature of humans, as Kant advocates, but also embraces the spiritual and transcendent aspects of human existence, as emphasized by al-GhazÄlÄ«. In doing so, it promotes an education that aspires to achieve equilibrium within the individual and with the broader creation.
The outcomes of this integration are not confined to theoretical synthesis but extend toward a clarified ethical framework that bridges secular and religious moral worldviews. Kantâs moral vision, grounded in autonomy and governed by the categorical imperative, represents a rational, secular trajectory of ethical development. Al-GhazÄlÄ«âs tripartite, Sufi-infused moral vision is rooted in the cultivation of the heart-soul and the illumination provided by the prophetic faculty, signifying a path of inner purification and divine proximity. The Three-Dimensional Framework thus delineates a distinctive moral architecture: rational discernment (sense and understanding), practical habituation (ethical action), and spiritual realization (prophetic knowledge). It is through this interplay that moral education becomes not merely an acquisition of knowledge or the execution of duty, but a transformative process of becoming â an ascent toward human and moral perfection.
My treatment in this study positions al-GhazÄlÄ« not as someone who needs modern validation, but as a thinker whose sophisticated ideas find a parallel articulation in a modern context. Structured as it is, it presents a contemporary epistemological framework and analytical lens through which the structure of al-GhazÄlÄ«âs claims can be better understood and defended against modern scepticism and sensibilities. Drawing from both Western and Islamic frameworks, epitomized in al-GhazÄlÄ« and Kant and supported by contemporary takes on educational philosophy, this study has highlighted the compatibility of prophetic and rational approaches to ethics that can support moral development in contemporary times.
Ultimately, the integration of these philosophies redefines moral education as a duty that extends beyond individual development, aiming toward a more harmonious and morally enlightened humanity â one in which rational autonomy, moral resolve, and spiritual sincerity are cultivated in concert. This integrated vision not only revitalizes classical moral discourses but also offers a robust pedagogical paradigm for contemporary moral formation.
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