The greater the power that deigns to serve you, the more honor it demands of you.
One ought not to return injustice, nor do evil to anybody in the world, no matter what one may have suffered from them.
I know that I know nothing.
To Believe without evidence and demonstration is an act of ignorance and folly
Do not do to others what angers you if done to you by others.
I only wish that ordinary people had an unlimited capacity for doing harm; then they might have an unlimited power for doing good.