This rare and important contribution to the field of Islamic studies, philosophy, and comparative religion achieves a twofold objective. First, it draws from a broad and authoritative well of sources, especially in the domain of Sufism, or Islamic mysticism. The scholarship is impeccable. Second, it is an in-depth meditation on the relationship between love and knowledge, multiplicity and unity, the example of the Prophet Muhammed viewed as Universal Man, spiritual union, heart and intellect, and other related themes--conveyed in fresh, contemporary language. The book is as much a work of...