Virtue cannot separate itself from reality without becoming a principle of evil.

If God did not exist, we should have to invent him. If God did exist, we should have to abolish Him.

Life can be magnificent and overwhelming -- that is the whole tragedy. Without beauty, love, or danger it would almost be easy to live.

The future is the only kind of property that the masters willingly concede to the slaves.

I'd have given ten conversations with Einstein for a first meeting with a pretty chorus girl.

One always has exaggerated ideas about what one doesn't know.

I know simply that the sky will last longer than I.