If there ever was a misnomer, it is "exact science." Science has always been full of mistakes. The present day is no exception. And our mistakes are good mistakes; they require a genius to correct. Of course, we do not see our own mistakes.

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.

No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect.

[Chemistry] laboratory work was my first challenge. ... I still carry the scars of my first discovery-that test-tubes are fragile.

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

U.S. has lost a battle more important and greater than Pearl Harbor.