Two paradoxes are better than one they may even suggest a solution.

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.

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

There is a time for scientists and movie stars and those who have flown the atlantic to restrain their opinions lest they be taken more seriously than they should be.

Knowing he [Bob Serber] was going to the [first atom bomb] test, I asked him how he planned to deal with the danger of rattlesnakes. He said, 'I'll take along a bottle of whiskey.' … I ended by asking, 'What would you do about those possibilities [of what unknown phenomena might cause a nuclear explosion to propagate in the atmosphere]?' Bob replied, 'Take a second bottle of whiskey.'

I am guilty of the great crime of optimism.

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