Introduction: Among the most enduring debates in modern Islamic philosophy is the question of whether Imam Abū Ḥāmid al-Ghazālī (d. 1111 CE) created a rupture between reason and intuition that ultimately contributed to the decline of philosophical inquiry in the Muslim world. This issue gained renewed prominence through the writings of Muhammad Iqbal (d. 1938), particularly in The Reconstruction of Religious Thought in Islam, where he argued that although al-Ghazālī rendered invaluable services to Islamic theology, his critique of philosophy and his elevation of mystical intuition unintentionally weakened the intellectual dynamism of Muslim civilization.
This criticism has, however, remained the subject of considerable scholarly disagreement. Some scholars maintain that Iqbal correctly identified a fundamental epistemological limitation in al-Ghazālī’s thought, while others argue that Iqbal’s reading was selective and did not adequately account for the later development of al-Ghazālī’s intellectual outlook.
At the heart of this controversy lies a profound philosophical question: What is the proper relationship between reason, intuition, and revelation in the pursuit of truth? The following discussion presents this debate in the form of an academic dialogue between two scholars. Rather than identifying individual participants, the emphasis remains entirely upon the philosophical issues themselves.
The First Position: Iqbal’s Critique of al-Ghazālī is Philosophically Sound
The first scholar begins by acknowledging al-Ghazālī’s immense contribution to Islamic intellectual history. His defence of orthodox Islam against excessive philosophical speculation, his spiritual revival through Iḥyā’ ʿUlūm al-Dīn, and his critique of Aristotelian metaphysics remain among the greatest achievements in Islamic civilization. Nevertheless, admiration for al-Ghazālī should not prevent a critical examination of his philosophical legacy. According to this position, Iqbal’s criticism concerns neither al-Ghazālī’s religious sincerity nor his scholarship. Rather, it addresses the structure of his epistemology. Iqbal believed that human knowledge develops through an organic interaction between rational thought and intuitive experience.
Reason is not merely a finite instrument incapable of transcending its own limitations; rather, it possesses an inherent dynamism enabling it to move progressively toward higher forms of understanding. In The Reconstruction of Religious Thought in Islam, Iqbal famously observes that both Kant and al-Ghazālī failed to appreciate that thought itself, in the very act of knowing, transcends its own finitude. Human reason is therefore not imprisoned within abstract conceptual boundaries but participates actively in the unfolding of reality. From this perspective, al-Ghazālī appears to draw too sharp a distinction between conceptual thought and spiritual intuition. His autobiographical work al-Munqidh min al-Ḍalāl narrates his intellectual crisis, during which he gradually abandoned confidence in speculative philosophy and eventually found certainty through direct spiritual illumination (kashf). While this journey is deeply significant, it appears to assign ultimate certainty to mystical experience rather than to the continuous development of rational inquiry.
The first scholar therefore argues that al-Ghazālī’s intellectual trajectory shifted philosophy away from confidence in autonomous reason toward dependence upon mystical experience. Such a movement, although spiritually enriching, diminished philosophy’s capacity to explore reality independently. Iqbal’s project, by contrast, sought to restore philosophical confidence without abandoning spirituality. Rather than opposing intuition to reason, he regarded them as complementary dimensions of human consciousness. Intuition completes reason instead of replacing it. Furthermore, Iqbal does not reject metaphysics itself. Rather, he reconstructs metaphysics upon an experiential foundation. Reality is not exhausted by empirical observation, yet neither should philosophical reflection surrender entirely before mystical experience. The distinction between prophetic consciousness and mystical consciousness also occupies an important place in this critique. For Iqbal, the prophet returns from spiritual experience with a mission to transform history and society. The mystic, however, often remains absorbed within personal experience. Consequently, prophetic revelation possesses a creative historical function that exceeds purely mystical contemplation.
The first scholar therefore concludes that Iqbal’s criticism is directed not against spirituality itself but against any epistemological model that weakens the creative partnership between reason and intuition. The Second Position: Iqbal Misread al-Ghazālī’s Mature Thought The second scholar responds that this interpretation rests upon an incomplete reading of al-Ghazālī’s intellectual development. The principal difficulty, it is argued, lies in treating al-Munqidh min al-Ḍalāl as the definitive expression of al-Ghazālī’s mature epistemology. Al-Munqidh is an autobiographical account describing one phase of an intellectual journey rather than the entirety of that journey. Like any intellectual memoir, it records a crisis and its resolution but cannot be isolated from the remainder of the author’s extensive corpus.
Al-Ghazālī’s later writings reveal an increasingly comprehensive engagement with Qur’ānic revelation, Prophetic traditions, jurisprudence, and theology. His mature intellectual orientation cannot be reduced simply to mysticism.
Indeed, historical tradition frequently associates the final period of his life with profound devotion to the study of ḥadīth. Whether literally or symbolically expressed through the famous statement that he died with Ṣaḥīḥ al-Bukhārī upon his chest, the tradition reflects widespread recognition that revelation ultimately occupied the highest place in his epistemological hierarchy. The second scholar therefore argues that Iqbal incorrectly assumes that al-Ghazālī permanently replaced rational inquiry with mystical intuition. This assumption overlooks a fundamental distinction that al-Ghazālī consistently maintained throughout his writings: the distinction between intuition (kashf or ilhām) and revelation (waḥy), Intuition is personal, Revelation is universal, Intuition is experiential,
Revelation is normative, Intuition may illuminate, Revelation judges. For al-Ghazālī, mystical unveiling never replaces revelation. Rather, authentic mystical experience derives its legitimacy only through conformity with the Qur’an and the Sunnah. Once this distinction is recognised, the second scholar argues, much of Iqbal’s criticism loses its force.
“By probing the boundaries of reason, intuition, and revelation, al-Ghazālī and Iqbal transformed philosophical conflict into a timeless framework for balancing intellectual rigor with religious faith.”
The Debate over Reason, Intuition: The discussion now turns to the deeper philosophical relationship between reason and intuition. The first scholar insists that human thought possesses an intrinsic capacity for self-transcendence. Rational inquiry does not terminate within finite concepts but continually advances toward greater unity and coherence. To restrict reason’s scope prematurely risks discouraging philosophical creativity. The second scholar readily agrees that reason occupies a central role within Islamic intellectual life. Al-Ghazālī himself repeatedly employs rigorous logical analysis in al-Mustaṣfā, Qawāʿid al-ʿAqā’id, and numerous theological works. His criticism was never directed against reason itself. Rather, his objection concerned speculative metaphysics claiming demonstrative certainty concerning realities lying beyond human cognitive limits. Consequently, al-Ghazālī rejected neither philosophy nor logic but philosophical overconfidence. The disagreement therefore concerns the limits rather than the legitimacy of reason.
Revelation As The Supreme Criterion: At this stage, the second scholar introduces what he regards as the decisive issue. Iqbal frequently describes prophetic revelation as the highest form of intuition. Although this language successfully emphasises continuity between ordinary religious experience and prophetic consciousness, it also risks blurring an essential distinction. Al-Ghazālī never treats revelation as merely intensified intuition. Prophetic revelation originates directly from God. Mystical intuition belongs to human experience. The former is infallible. The latter remains fallible. This distinction safeguards Islamic epistemology against excessive subjectivism. Individual spiritual experience may enrich religious life but cannot establish doctrine independently of revelation. Accordingly, al-Ghazālī constructs an epistemological hierarchy: Reason investigates, Intuition illuminates, Revelation governs both. This hierarchy preserves the respective dignity of philosophy, spirituality, and prophecy without allowing any one faculty to dominate improperly.
Was al-Ghazālī Responsible For The Decline of Philosophy? The discussion next considers one of the most controversial historical questions.
Did al-Ghazālī cause the decline of Islamic philosophy? The first scholar argues that although no single thinker can explain a civilizational transformation, al-Ghazālī’s critique significantly reduced philosophy’s institutional prestige. His Tahāfut al-Falāsifah undermined confidence in metaphysical speculation and encouraged later generations to regard philosophy with suspicion. The second scholar strongly disagrees. Historical evidence demonstrates that philosophy continued to flourish for centuries after al-Ghazālī through thinkers such as Fakhr al-Dīn al-Rāzī, Naṣīr al-Dīn al-Ṭūsī, Mullā Ṣadrā, and numerous Ottoman, Safavid, and Mughal philosophers. Recent scholarship has further shown that philosophical inquiry remained deeply integrated into madrasa education long after al-Ghazālī. The decline of philosophy, therefore, cannot reasonably be attributed to one medieval scholar. Political fragmentation, colonial domination, institutional transformation, changing educational priorities, and the emergence of modern secular disciplines all contributed far more substantially to later intellectual decline. Thus, blaming al-Ghazālī oversimplifies an immensely complex historical process.
Intellectual Development, Philosophical Evolution: Another important issue concerns intellectual development itself. The second scholar argues that philosophers evolve. Their ideas mature. Their priorities change.
Al-Ghazālī’s intellectual journey moved successively through kalām, philosophy, scepticism, Sufism, and finally a profound immersion in revelation.
His later writings therefore deserve greater interpretive authority than earlier autobiographical reflections. The first scholar accepts that philosophers evolve but insists that al-Munqidh continues to reveal al-Ghazālī’s fundamental epistemological commitments. Even if later writings display stronger emphasis upon revelation, they do not entirely remove the central role assigned to mystical certainty. Consequently, the debate remains open.
Is Philosophy Ultimately Subjective? Toward the conclusion, both scholars reflect upon the nature of philosophical inquiry itself. The first scholar observes that philosophy possesses no final closure. Every philosophical system remains open to criticism, revision, and reinterpretation. Human understanding continually develops. The second scholar agrees but introduces an important qualification. Within Islamic epistemology, philosophical reasoning remains permanently open. Revelation, however, provides the final normative criterion.
Philosophy may continue asking questions indefinitely. Revelation establishes the framework within which ultimate answers acquire legitimacy. Thus, philosophical freedom and religious certainty coexist rather than compete.
Conclusion: The Ghazālī–Iqbal debate illustrates one of the most profound conversations within modern Islamic philosophy. It is not fundamentally a dispute between philosophy and religion, nor between reason and mysticism. Rather, it concerns the proper ordering of the various sources of human knowledge. One perspective emphasises the creative partnership between reason and intuition, arguing that thought possesses an inherent capacity to transcend its own limitations and that philosophy should remain an active instrument for engaging reality. From this standpoint, al-Ghazālī’s emphasis on mystical certainty appears to have restricted the full potential of rational inquiry.
The opposing perspective maintains that this criticism rests upon a partial reading of al-Ghazālī’s intellectual development. His mature writings reveal not the abandonment of reason but its integration within a broader epistemological framework governed ultimately by divine revelation. Mystical intuition is recognised as a valuable source of personal insight, yet it remains subordinate to the objective authority of the Qur’an and the Sunnah. Reason investigates, intuition enriches, but revelation adjudicates. Historical evidence also complicates the assumption that al-Ghazālī was responsible for the decline of philosophy in Islam. Subsequent centuries witnessed sustained philosophical activity across diverse regions of the Muslim world, suggesting that intellectual decline resulted from a combination of political, institutional, educational, and colonial factors rather than from the influence of a single thinker. Ultimately, the debate demonstrates the richness rather than the weakness of the Islamic philosophical tradition. Both al-Ghazālī and Iqbal sought to reconcile faith with intellectual integrity, though they differed in their understanding of the relationship between reason, intuition, and revelation. Their dialogue continues to inspire contemporary scholars because it addresses enduring questions concerning the limits of human knowledge, the authority of revelation, the role of metaphysics, and the possibility of harmonising philosophy with religious commitment. Far from being a closed historical controversy, the Ghazālī–Iqbal debate remains an invitation to renewed philosophical reflection grounded in both critical inquiry and spiritual wisdom.
(The author a veteran academician is a former Professor and Head Department of Islamic Studies, Kashmir University. The views, opinions and conclusions expressed in this article are those of the author and aren’t necessarily in accord with the views of “Kashmir Horizon”)
