Society's emissions of carbon dioxide may or may not turn out to have something significant to do with global warming-the jury is still out.

I claim that relativity and the rest of modern physics is not complicated. It can be explained very simply. It is only unusual or, put another way, it is contrary to common sense.

Secrecy, once accepted, becomes an addiction.

If not for me, the H-bomb would have been developed in Russia first. In the U.S., we'd now be speaking Russian.

When you're certain you cannot be fooled, you become easy to fool.

I think that intellectuals who end up in hell will have to read page proofs and check indexes there.

It is often claimed that knowledge multiplies so rapidly that nobody can follow it. I believe this is incorrect. At least in science it is not true. The main purpose of science is simplicity and as we understand more things, everything is becoming simpler. This, of course, goes contrary to what everyone accepts.