Look well to the spine for the cause of disease.

The art has three factors, the disease, the patient, the physician. The physician is the servant of the art. The patient must cooperate with the physician in combatting the disease.

I have clearly recorded this: for one can learn good lessons also from what has been tried but clearly has not succeeded, when it is clear why it has not succeeded.

There are, in effect, two things, to know and to believe one knows; to know is science; to believe one knows is ignorance.

Opposites are cures for opposites.

Things that are holy are revealed only to men who are holy.

Cure sometimes, treat often, comfort always.