Introduction 1. Delphic Maxim in Medieval Islam and Judaism 2. The Ladder of Ascension 3. Ibn Bajja on Man's Ultimate Felicity 4. Essence and Existence in Maimonides 5. A Note on the Rabbinic Doctrine of Creation 6. Saadya's Theory of Revelation: It's Origin and Background 7. Eleazar of Worms' Symbol of the Merkabah 8. Motif of the Shells in Azriel of Gerona 9. Moses Narboni's Epistle on Shi ur...