I am not an Athenian or a Greek, but a citizen of the world.

I know that I am intelligent, because I know that I know nothing.

It is not living that matters, but living rightly.

I know that I know nothing.

The unexamined life is not worth living.

Every other is wholly other.

-- Jacques Derrida

Attention is the rarest and purest form of generosity.

-- Simone Weil

The purpose of human existence is to attain supreme happiness.

-- Farabi

Every man has his price, or a guy like me couldn't exist.

-- Howard Hughes

Human nature is evil; its goodness is the result of deliberate effort.

-- Xunzi

If you see fraud and do not say fraud, you are a fraud.

-- Nassim Nicholas Taleb