Introduction -- 1 Life, Times and Works of 'Aziz Nasafi -- I. The Life and Times of 'Aziz Nasafi -- II. Nasafi's Works -- I. 'Aziz Nasafi's Six Ontological Faces -- 2 Ontology -- II. Nasafi and Imagination -- III. Nasafi and Neoplatonic Ontology -- I. Attaining Knowledge -- 3 Epistemology -- Epistemological Thought -- III. Mystical Knowledge -- II. The Sufi Path -- II. The Superiority of Friendship Over Prophecy -- I. The Spiritual Ascent -- IV. The Friends as Heirs of the Prophets -- 5 Visionary Experience and Unity with God -- IL The Vision of God -- III. The Superiority of Prophecy Over Friendship -- III. Spiritual Perfection and Creation -- I. Felicity, the Goal of Sufism -- 6 The Perfection of Man -- IL The Convergence of Hellenistic and Islamic -- I. Types of Vision and Mystical Experience -- V. Perfection and its Political Significance -- 4 The Sufi Journey -- Conclusion -- Appendix -- Bibliography -- Koranic and Hadith Index -- Subject Index.