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

"A man’s worth is determined by his knowledge."

"Those who deny the first principle should be flogged or burned until they admit that it is not the same thing to be burned and not burned, or whipped and not whipped."

"Time is a sword; if you do not cut it, it will cut you."

"The greatest happiness is the happiness of knowledge."