The physician must have at his command a certain ready wit, as dourness is repulsive both to the healthy and the sick.

Men think epilepsy divine, merely because they do not understand it. We will one day understand what causes it, and then cease to call it divine. And so it is with everything in the universe.

An insolent reply from a polite person is a bad sign.

All diseases begin in the gut.

Science begets knowledge; opinion, ignorance.

About medications that are drunk or applied to wounds it is worth learning from everyone; for people do not discover these by reasoning but by chance, and experts not more than laymen.

He who wishes to be a surgeon should go to war.