The function of protecting and developing health must rank even above that of restoring it when it is impaired.

The patient must combat the disease along with the physician.

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

Sometimes give your services for nothing.

But medicine has long had all its means to hand, and has discovered both a principle and a method, through which the discoveries made during a long period are many and excellent, while full discovery will be made, if the inquirer be competent, conduct his researches with knowledge of the discoveries already made, and make them his starting-point. But anyone who, casting aside and rejecting all these means, attempts to conduct research in any other way or after another fashion, and asserts that he has found out anything, is and has been victim of deception.

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.

All diseases begin in the gut.