Introduction I. The Delphic Maxim in Medieval Islam and Judaism\\ 2. "The Ladder of Ascension"\\ 3. [[ibn_bajja|Ibn Bajjia]] on Man's Ultimate Felicity\\ 4. The Essence and Existence in Maimonides 5. A note on the Rabbinic Doctrine of Creation\\ 6. Saadya's Theory of Revelation: its Origin and Background