This book is a comparative study of two major Shi'i thinkers Hamid al-Din Kirmani from the Fatimid Egypt and Mulla Sadra from the Safavid Iran, demonstrating the mutual empowerment of discourses on knowledge formation and religio-political authority in certain Isma'ili and Twelver contexts. The book investigates concepts, narratives, and arguments that have contributed to the generation and development of the discourse on the absolute authority of the imam and his representatives. To demonstrate this, key passages from primary texts in Arabic and Persian are translated and closely analyzed to highlight the synthesis of philosophical, Sufi, theological, and scriptural discourses. The book also discusses the discursive influence of Nasir al-Din Tusi as a key to the transmission of Isma'ili narratives of knowledge and authority to later Shi'i philosophy and its continuation to modern and contemporary times particularly in the narrative of the guardianship of the jurist in the Islamic Republic of Iran.

This book is a comparative study of two major Shi'i thinkers Hamid al-Din Kirmani from the Fatimid Egypt and Mulla Sadra from the Safavid Iran, demonstrating the mutual empowerment of discourses on knowledge formation and religio-political authority in certain Isma'ili and Twelver contexts. The book investigates concepts, narratives, and arguments that have contributed to the generation and development of the discourse on the absolute authority of the imam and his representatives. To demonstrate this, key passages from primary texts in Arabic and Persian are translated and closely analyzed to highlight the synthesis of philosophical, Sufi, theological, and scriptural discourses. The book also discusses the discursive influence of Nasir al-Din Tusi as a key to the transmission of Isma'ili narratives of knowledge and authority to later Shi'i philosophy and its continuation to modern and contemporary times particularly in the narrative of the guardianship of the jurist in the Islamic Republic of Iran.

"Nasir al-Din Tusi: A Philosopher for All Seasons" explores the life and work of the mediaeval Persian polymath Nasir al-Din Tusi (d. 1274) within the historical and religious contexts in which he was active during the course of his eventful life. The book brings to light the philosophical character of all the different intellectual areas and genres of writing that Tusi experimented with, including: metaphysics, theology, ethics, politics, astronomy, logic and aesthetics. "Nasir al-Din Tusi: A Philosopher for All Seasons" describes one of the most tumultuous periods in medieval Muslim history as the context for the intellectual productions of an influential figure who was both impacted by the events and contributed to them.

Mulla Sadra (572-1640) is perhaps the single most important and influential philosopher in the Muslim world in the last four hundred years. The author of over forty works, he sought to bring to life the whole heritage of Islamic thought, from philosophy to mysticism, and create a more flexible and conciliatory approach to the problems which seemed to dissociate reason from faith. In this wide-ranging profile, Sayeh Meisami reaches beyond historical narrative to assess the true impact of the man and his ideas. This thought provoking and comprehensive account is ideal for any philosopher wanting to uncover the life and thoughts of a man who represents the climax of intellectual tradition at a crucial point in the history of Islamic civilization.