Be a loner. That gives you time to wonder.

All religions, arts and sciences are branches of the same tree. All these aspirations are directed toward ennobling man's life, lifting it from the sphere of mere physical existence and leading the individual towards freedom.

If you feed your mind as often as you feed your stomach, then you'll never have to worry about feeding your stomach or a roof over your head or clothes on your back.

The secret to creativity is knowing how to hide your sources.

There have already been published by the bucketsful such brazen lies and utter fictions about me that I would long since have gone to my grave if I had allowed myself to pay attention to them.

The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.

I believe in intuition and inspiration...at times I feel certain I am right while not knowing the reason.