- Civilization-good or evil?
- How do you know who you really are?
- Where does belief in a belief come from? On what basis does it grow stronger and why do we cling to the belief in a belief so much?
- Why do different peoples, with different cultures and living on different continents, have an idea of the soul as a substance different from the body?
- What is the meaning of the movie "Knight of Cups"?