Never feel remorse for what you have thought about your wife; she has thought much worse things about you.

Already at the origin of the species man was equal to what he was destined to become.

The divine is perhaps that quality in man which permits him to endure the lack of God.

Never feel remorse for what you have thought about your wife; she has thought much worse things about you.

Kill one man, and you are a murderer. Kill millions of men, and you are a conqueror. Kill them all, and you are a god.

When a scientist is ahead of his times, it is often through misunderstanding of current, rather than intuition of future truth. In science there is never any error so gross that it won't one day, from some perspective, appear prophetic.

Somebody told me I should put a pebble in my mouth to cure my stuttering. Well, I tried it, and during a scene I swallowed the pebble. That was the end of that.