Medicine is the restoration of discordant elements.

Whoever in debate quotes authority uses not intellect, but memory.

A man of supreme folly: his life flies away while he is merely hoping to enjoy it.

Ask advice of him who governs himself well.

To discover the soul living in somebody's body, we watch the surrounding of the body, and if it's messy and disordered, so is the soul.

Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.

Necessity is a guardian in Nature.