You aren't thinking or really existing unless you're willing to risk even your own sanity in the judgement of your existence.

Absolute prediction is completion . . . is death!

Clinging to any form of conservatism can be dangerous. Become too conservative and you are unprepared for surprises. You cannot depend on luck. Logic is blind and often knows only its own past. Logic is good for playing chess but is often too slow for the needs of survival.

A good companion is one you wouldn't mind dying with.

Once men turned their thinking over to machines in the hope that this would set them free. But that only permitted other men with machines to enslave them.

Any man who retreats into a cave which has only one opening deserves to die.

Nature does not make mistakes. Right and wrong are human categories.