Democritus460–360 BC- Freeman (1948), p. 161
- Freeman (1948), p. 152
The animal needing something knows how much it needs, the man does not.
Freeman (1948), p. 162Medicine heals diseases of the body, wisdom frees the soul from passions.
Fragment B31 (preserved by Clement of Alexandria), tr. Kathleen Freeman, Ancilla to the Pre-Socratic Philosophers (1948), p. 149
