Opposites are cures for opposites.

And he will manage the cure best who has foreseen what is to happen from the present state of matters.

The patient must combat the disease along with the physician.

Male and female have the power to fuse into one solid, both because both are nourished in both and also because soul is the same thing in all living creatures, although the body of each is different.

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.

Science begets knowledge; opinion, ignorance.

Life is short, art long, opportunity fleeting, experiment uncertain, and judgment difficult.