"It is by the training of the body that the soul is purified."

"We have two ears and one mouth so that we can listen twice as much as we speak."

"He used to say that the most beautiful thing in the world was the silence of a thoughtful man."

"When I am with two people, I always find one of them my teacher."

"To a man who was commending him for his hardiness, he said, 'I have no need of your praise, for I am a god.'"