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.

A state-of-the-art calculation requires 100 hours of CPU time on the state-of-the-art computer, independent of the decade.

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.

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

Had we not pursued the hydrogen bomb, there is a very real threat that we would now all be speaking Russian. I have no regrets.

There's no system foolproof enough to defeat a sufficiently great fool.

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