The School of Isfahan and Mullā Ṣadrā's Transcendent Theosophy

1. The intellectual triad of Safavid Isfahan

Shāh ʿAbbās I's court drew together three major intellects who shaped the philosophical, legal, and architectural life of the new capital.

Mīr Muḥammad-Bāqir Dāmād Astarābādī (d. 1041 AH/1631 CE), known as Mīr Dāmād, was a Sayyid — his father had married a daughter of the jurist al-Muḥaqqiq al-Karakī (d. 940/1534), making Mīr Dāmād al-Karakī's grandson through his mother.¹ Later students and admirers dubbed him "the Third Teacher" (al-Muʿallim al-Thālith), placing him after Aristotle and al-Fārābī, the first and second Teachers.² His major philosophical work, al-Qabasāt (completed 1034/1625), develops the doctrine of ḥudūth-i dahrī ("origination in perpetuity"), an attempt to reconcile the Kalām insistence on the temporal creation of the world with the philosophical thesis of an eternal cosmos, by positing three ontological registers — sarmad (divine eternity), dahr (perpetuity), and zamān (time).³

Shaykh Bahāʾ al-Dīn al-ʿĀmilī (Shaykh Bahāʾī, 1547–1621), from a family originating in Jabal ʿĀmil in what is now south Lebanon, served as Shaykh al-Islām, the senior jurist of Shāh ʿAbbās I's court.⁴ He is credited with conceiving the urban vision behind Meydān-e Naqsh-e Jahān and was closely involved in planning the Masjid-e Shāh; a number of additional engineering feats, including the celebrated Zāyandeh-Rūd water-distribution treaty known as the Tūmār-e Shaykh Bahāʾī, are popularly attributed to him but are not independently substantiated in the historical record and are best treated as legend rather than established fact.⁵

Ṣadr al-Dīn Muḥammad Shīrāzī, Mullā Ṣadrā, known honorifically as Ṣadr al-Mutaʾallihīn ("foremost among the theosophers"), was born in Shiraz around 1571–72. He studied the rational sciences under Mīr Dāmād and transmitted sciences — ḥadīth and Qurʾānic exegesis — under Shaykh Bahāʾī, both in Isfahan.⁶ Facing opposition from segments of the Shiraz clergy to the philosophical sciences, he withdrew to the village of Kahak, near Qom, for a period of roughly five years — not the fifteen sometimes claimed — to meditate and begin composing his major works, before returning to Shiraz to teach.⁷ The traditional date of his death is 1050 AH/1640–41 CE, the figure used by most general reference works; Encyclopaedia Iranica, however, argues this date lacks supporting evidence and that he more likely died in 1045 AH/1635–36 CE, in Basra or Najaf while returning from a pilgrimage to Mecca. This entry reports both dates and treats the exact year as an open question in the scholarship rather than settled fact.⁸

2. The four axioms of Transcendent Theosophy

Ṣadrā's Ḥikma al-Mutaʿāliya rests on four interlocking doctrines, developed against the inherited frameworks of Peripatetic philosophy, Illuminationism, and Ibn ʿArabī's mystical monism.⁹

Aṣālat al-wujūd (the primacy of existence): reality is fundamentally constituted by existence (wujūd) itself; essences or quiddities (māhiyyāt) are secondary, mental abstractions rather than independently real constituents of things. This reverses the Avicennan and, more directly, the Suhrawardian position that had privileged essence.

Tashkīk al-wujūd (the gradation of being): existence is a single reality that nonetheless admits of degrees — of intensity, priority, and perfection — rather than being a genus divided into discrete species. The same reality of being that is faintly present in a stone is present with far greater intensity in a human intellect, and this graded continuum, not a set of discrete separate essences, is what accounts for the diversity of the world.

Al-ḥaraka al-jawhariyya (substantial motion): where Aristotelian physics had confined motion to the four accidental categories of quantity, quality, place, and position, leaving substance (jawhar) static, Ṣadrā argued that substance itself is in continuous existential flux — that every existent is, at the level of its very being, in constant process rather than fixed states linked by occasional change. This is Ṣadrā's most historically distinctive and widely discussed contribution to Islamic metaphysics.

Ittiḥād al-ʿāqil wa-l-maʿqūl (the union of intellect and intelligible): in the act of true knowledge, the knowing soul does not remain a passive receptacle of a form impressed upon it from outside; it becomes existentially united with — indeed identical to — the intelligible object known, its own substance transformed in the process.

3. The Four Journeys

Ṣadrā's magnum opus, al-Ḥikma al-Mutaʿāliya fī l-Asfār al-ʿAqliyya al-Arbaʿa, begun around 1606 and largely completed by 1638, organizes the whole of his philosophy around the mystical metaphor of the soul's fourfold journey.¹⁰ In its standard modern edition (1958, edited by ʿAllāmah Ṭabāṭabāʾī and Muḥammad Riḍā al-Muẓaffar) it runs to nine volumes, though the earliest Tehran lithograph (1865) appeared in four.¹¹

The First Journey (min al-khalq ilā al-Ḥaqq, "from creation to the Real") corresponds to the philosophical foundations of the work: the soul, and Ṣadrā's argument, move from the world of created multiplicity toward the vision of Absolute Existence. The Second Journey (fī l-Ḥaqq bi-l-Ḥaqq, "in the Real, with the Real") concerns the divine essence, names, and attributes. The Third Journey (min al-Ḥaqq ilā l-khalq bi-l-Ḥaqq, "from the Real to creation, with the Real") returns to the created world, now understood as the theophanic unfolding of the divine names — this is where Ṣadrā develops his physics and cosmology. The Fourth Journey (fī l-khalq bi-l-Ḥaqq, "in creation, with the Real") turns to psychology and eschatology: the nature of the human soul, prophecy, death, and the resurrection. It is in this fourth section, and in Ṣadrā's broader doctrine of the "Perfect Man" (al-insān al-kāmil, a concept he inherits from Ibn ʿArabī's school), that questions of prophetic and imamic authority appear — as topics within a cosmology and psychology of the soul's perfection, not as a treatise on political governance; Ṣadrā's writing shows no sustained, independent engagement with political philosophy as such.¹²

Ṣadrā also wrote an incomplete philosophical commentary on Kulaynī's al-Kāfī, Sharḥ Uṣūl al-Kāfī, including on its Kitāb al-Ḥujja (the "Book of [Divine] Proof," concerning the Imamate), an attempt to work out philosophically what it means to be an intuitive theosopher within a specifically Shiʿi framework.¹³ Twelver ḥadīth literature, independently of Ṣadrā, transmits a well-known class of traditions holding that the earth cannot remain, even for an instant, without a living divine proof (ḥujja) — traditions of the form "were the earth to be devoid of a ḥujja, it would swallow its inhabitants," found in the Kitāb al-Ḥujja section of Kulaynī's al-Kāfī itself and discussed across the later commentarial tradition, Ṣadrā's included.¹⁴ This is a real and well-attested strand of Twelver theology that Ṣadrā, like other commentators on al-Kāfī, engages — not a novel philosophical "proof" original to him.

4. Transmission

Ṣadrā's philosophy was carried forward by an identifiable line of students and later revivalists, though the composition of that line requires some care. Two of his direct disciples were also his sons-in-law: Mullā Muḥsin Fayḍ Kāshānī (1598–1680), who studied under Ṣadrā for roughly eight years and later authored al-Wāfī (an exposition of al-Kāfī) and al-Ṣāfī (a Qurʾān commentary), and ʿAbd al-Razzāq Lāhījī (d. c. 1072/1662), author of the theological summa Gawhar-i Murād.¹⁵ Qāḍī Saʿīd Qummī (1639–1691), sometimes listed as part of this immediate circle, was in fact born the year before Ṣadrā's death and studied instead under Rajab ʿAlī Tabrīzī, Fayḍ Kāshānī, and Lāhījī; he was, moreover, a critic of Sadrian metaphysics rather than a continuator of it, and belongs to the history of Ṣadrā's reception, not his direct discipleship.¹⁶

Sadrian philosophy fell into relative eclipse before a nineteenth-century revival in Isfahan led by Mullā ʿAlī Nūrī (d. 1251/1836) and, somewhat later, Mullā Hādī Sabzawārī (1797–1873), whose versified philosophical textbook Sharḥ al-Manẓūma became, and remains, the standard philosophy textbook of the Twelver Shiʿi seminary curriculum specifically — not, as sometimes overstated, of Islamic philosophical education generally.¹⁷ In the twentieth century, ʿAllāmah Sayyid Muḥammad Ḥusayn Ṭabāṭabāʾī (d. 1981), author of the Qurʾān commentary al-Mīzān and the philosophical primer Bidāyat al-Ḥikma, trained a generation of Iranian philosophers whose school still dominates the Shiʿi seminary in Iran. Among the political and intellectual figures shaped by this tradition were Āyatollāh Rūḥollāh Khomeini and Murtaḍā Muṭahharī, both of whom were, in the words of the Stanford Encyclopedia of Philosophy, "profoundly influenced by the thought of Mullā Ṣadrā" and were key figures in the 1979 Revolution; Khomeini himself taught the Asfār in Qom for many years.¹⁸ That Khomeini was influenced by Sadrian philosophy is well documented; the more specific claim that a particular Sadrian doctrine — substantial motion — supplied the direct mechanism generating the theory of Velāyat-e Faqīh is a matter of ongoing scholarly argument, not an established fact, and is not asserted here as one.

Bibliography

1. Fazlur Rahman, The Philosophy of Mullā Ṣadrā (Ṣadr al-Dīn al-Shīrāzī), Studies in Islamic Philosophy and Science (Albany: State University of New York Press, 1975).
2. Sajjad H. Rizvi, Mullā Ṣadrā and Metaphysics: Modulation of Being, Culture and Civilization in the Middle East (London: Routledge, 2009).
3. Sajjad H. Rizvi, Mullā Ṣadrā Shīrāzī: His Life and Works and the Sources for Safavid Philosophy (Oxford: Oxford University Press/British Academy, 2007).
4. Henry Corbin, En Islam iranien: aspects spirituels et philosophiques, tome IV, L'École d'Ispahan, l'École shaykhie, le Douzième Imâm (Paris: Gallimard, 1972).
5. "Mulla Sadra," Stanford Encyclopedia of Philosophy (2021, rev. 2025), https://plato.stanford.edu/entries/mulla-sadra/.
6. "Mollā Ṣadrā Šīrāzi," Encyclopaedia Iranica, https://www.iranicaonline.org/articles/molla-sadra-sirazi/.
7. "Dāmād, Mīr(-e), Sayyed Moḥammad-Bāqer," Encyclopaedia Iranica, https://www.iranicaonline.org/articles/damad-mir-e-sayyed-mohammad-baqer-b/.
8. "Baha al-Din al-Amili," in standard biographical reference sources.