Just as food causes chronic disease, it can be the most powerful cure

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

Fat people who want to reduce should take their exercise on an empty stomach and sit down to their food out of breath.... Thin people who want to get fat should do exactly the opposite and never take exercise on an empty stomach.

The greatest medicine of all is teaching people how not to need it

Of several remedies, the physician should choose the least sensational.

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.

First of all a natural talent is required; for when Nature opposes, everything else is in vain; but when Nature leads the way to what is most excellent, instruction in the art takes place.