Related Clues:
- Yin and yang, e.g.
- Good and evil, e.g.
- Two-sidedness
- Belief in body and soul
- Sail in the mud for mind and matter
- Principal of Chinese philosophy
- Belief in two basic entities
- Mind and matter of the French gangster is grand
- Double nature
- Division into two opposed aspects
- Eg, what Yin and Yang represent
- Philosophical doctrine Archbishop put up is initially mocked
- '04 Slipknot hit that comes in two?
- Two-part state
- Mind-body, e.g