In this work a distinguished scholar of Islamic religion examines the mysticism and psychological thought of the great eleventh-century Persian philosopher and physician Avicenna (Ibn Sina), author of over a hundred works on theology, logic, medicine, and mathematics....

A penetrating analysis of the life and doctrines of the Spanish-born Arab theologian.A penetrating analysis of the life and doctrines of the Spanish-born Arab theologian.Originally published in 1969....

An analysis of interrelated themes in Iranian religion, including the angelology of Mazdaism and Islamic Shi'ite concepts of spirit-body identity. ...