"The physician must be a man of courage, for courage is necessary in the face of death."

"An ignorant doctor is the aide-de-camp of death."

"Medicine considers the human body as to the means by which it is cured and by which it is driven away from health."

"The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes."

"The physician must be a man of patience, for patience is the key to healing."