The highest degree of a medicine is Love.
Medicine is not merely a science but an art. The character of the physician may act more powerfully upon the patient than the drugs employed.
What the eyes perceive in herbs or stones or trees is not yet a remedy; the eyes see only the dross.
Whether wine is a nourishment, medicine or poison is a matter of dosage
The interpretation of dreams is a great art.
The universities do not teach all things ... so a doctor must seek out old wives, gypsies, sorcerers, wandering tribes, old robbers, and such outlaws and take lessons from them. A doctor must be a traveller . . . Knowledge is experience.