It is never right to do wrong or to requite wrong with wrong, or when we suffer evil to defend ourselves by doing evil in return.

I am a Citizen of the World, and my Nationality is Goodwill.

Prefer knowledge to wealth, for the one is transitory, the other perpetual.

Knowing thyself is the height of wisdom.

He said that there was one only good, namely, knowledge; and one only evil, namely, ignorance.

When the debate is lost, slander becomes the tool of the loser.

When our feet hurt, we hurt all over.