I know that I am intelligent, because I know that I know nothing.
It is the greatest good for an individual to discuss virtue (aka areté) every day...for the unexamined life is not worth living.
Slanderers do not hurt me because they do not hit me.
One who is injured ought not to return the injury, for on no account can it be right to do an injustice.
One cannot come closer to the gods than by bringing health to his Fellow Man.
Often when looking at a mass of things for sale, he would say to himself, 'How many things I have no need of!'