Men and women succeed because they find a field of endeavor that matches their interests and abilities.

Science should always be in the business of attempting to disprove itself.

I have to tell you I never in my life anticipated getting this old, this fast. It seems as if I were 25 just a few days ago.

I feel as if I'm in on a pass and am damn lucky to have whatever I have. It could all be taken away in a second.

I spend so much time in fear of going broke, and I never have been even remotely close to going broke.

The ordinary American - as far as I can tell - knows so much less than he did fifty years ago and has such poor work habits compared with fifty years ago that the average multiplicand of knowledge/capabilities is a much smaller number than it was in 1961.

It's a lot better to hope than not to.