The patient must combat the disease along with the physician.
It is better to be full of drink than full of food.
Rest as soon as there is pain.
First of all a natural talent is required; for when Nature opposes, everything else is in vain; but when Nature leads the way to what is most excellent, instruction in the art takes place.
Things that are holy are revealed only to men who are holy.
Whenever a doctor cannot do good, he must be kept from doing harm.