Sometimes give your services for nothing.

All parts of the body which have a function, if used in moderation and exercised in labors in which each is accustomed, become thereby healthy, well developed and age more slowly, but if unused they become liable to disease, defective in growth and age quickly.

Let your food be your medicine, and your medicine be your food.

Life is short and the art long.

Physicians are many in title but very few in reality.

There are in fact two things, science and opinion. The former begets knowledge, the latter ignorance.

All diseases begin in the gut.