Walāya in the Formative Period of Shi'ism and Sufism

Focused on Shi’ism and Sufism in the formative period of Islam, this book examines the development of the concept of walāya, a complex term that has, over time, acquired a wide range of relationships with other theological ideas, chiefly in relation to the notion of authority. The book offers a textual and comparative analysis of walāya based on primary sources in the ninth and tenth centuries, from both Shi’i and Sufi circles. The starting point is one of the oldest surviving Shi’i sources, Kit