The Seal of the Awliya is a work of Tirmidhi, written by about 873. Bin Arabi expanded later on the idea of the book, where Bin Arabi sees that the prophets and the saints are manifestations of the spirit of Muhammad, peace and blessings be upon him, which is the starting and end point for the entire spiritual hierarchical sequence. The first appearance of Muhammad was the first man, Adam. The l...