Contents:
- Preliminary Considerations
- What is Mysticism?
- The Old Basic Principles
- The Psychological Aspect
- The Ingredient of Terror
- Nature Mysticism
- The Mysteries
- Some Early Syncretists
- Gnosticism
- The Dry-Rot of Asceticism
- The Logos
- The Logos at Nicea
- Demonology
- Dangers of Ecstasy
- The Twilights of Mysticism
- Foregleams of Christianity
- Osculatory Mysticism
- Quietism
- A Sordid Interlude
- Religion and Social Order
- The New Mysticism