There is no logical way to the discovery of these elemental laws. There is only the way of intuition, which is helped by a feeling for the order lying behind the appearance.

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

The mathematician knows some things, no doubt, but not those things one usually wants to get from him.

Love is not the stupidest thing a man does, but it cannot be blamed on gravity.

The only source of knowledge is experience.

Compound interest on debt was the banker's greatest invention, to capture, and enslave, a productive society.

Smoke like a chimney, work like a horse, eat without thinking, go for a walk only in really pleasant company.