Medicine in its present state is, it seems to me, by now completely discovered, insofar as it teaches in each instance the particular details and the correct measures. For anyone who has an understanding of medicine in this way depends very little upon good luck, but is able to do good with or without luck. For the whole of medicine has been established, and the excellent principles discovered in it clearly have very little need of good luck.

Life is short and the art long.

The natural force within each of us is that greatest healer of all.

Each of the substances of a man's diet acts upon his body and changes it in some way and upon these changes his whole life depends.

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

Many admire, few know.

Men ought to know that from the brain, and from the brain only, arise our pleasures, joy, laughter and jests, as well as our sorrows, pains, griefs, and tears.