Lecture I. The Nature of Yoga
1. The Meaning of the Universe
2. The Unfolding of Consciousness
3. The Oneness of the Self
4. The Quickening of the Process of Self-Unfoldment
5. Yoga is a Science
6. Man a Duality
7. States of Mind
8. Samadhi
9. The Literature of Yoga
10. Some Definitions
11. God Without and God Within
12. Changes of Consciousness and Vibrations of Matter
13. Mind
14. Stages of Mind
15. Inward and Outward-turned Consciousness
16. The Cloud
Lecture II. Schools of Thought
1. Its Relation to Indian Philosophies
2. Mind
3. The Mental Body
4. Mind and Self
Lecture III. Yoga as Science
1. Methods of Yoga
2. To the Self by the Self
3. To the Self through the Not-Self
4. Yoga and Morality
5. Composition of States of the Mind
6. Pleasure and Pain
Lecture IV. Yoga as Practice
1. Inhibition of States of Mind
2. Meditation with and without Seed
3. The Use of Mantras
4. Attention
5. Obstacles to Yoga
6. Capacities for Yoga
7. Forthgoing and Returning
8. Purification of Bodies
9. Dwellers on the Threshold
10. Preparation for Yoga
11. The End