When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.

If the facts don't fit the theory, change the facts.

I never think of the future - it comes soon enough.

The distinction between the past, present and future is only a stubbornly persistent illusion.

When the solution is simple, God is answering.

Before God we are all equally wise - and equally foolish.

That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, forms my idea of God.

I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.

God always takes the simplest way.

God does not play dice.