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.

The science of today is the technology of tomorrow.

Secrecy in science does not work. Withholding information does more damage to us than to our competitors.

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

I believe in evil. It is the property of all those who are certain of truth. Despair and fanaticism are only differing manifestations of evil.

The extinction of the human race will come from its inability to EMOTIONALLY comprehend the exponential function.

Science attempts to find logic and simplicity in nature. Mathematics attempts to establish order and simplicity in human thought.

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

We must learn to live with contradictions, because they lead to deeper and more effective understanding.

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.

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

With enough hope, you can set a fire to find the way out of the darkness.

...her very kindness was cruel because it was founded not on love but on reason...

The West needs to relearn what the rest of the world has never forgotten - that there is nothing sinful in leisure as long as it does not degenerate into mere sloth.

A lot of the comedians don't even tell the joke. Like only three tell the joke, the rest of them dissect it.

I love what I think, and I'm never tempted to believe it.

I didn't go to college, I went straight from high school to working on I'll Fly Away, I was very, very lucky.

Even the people I surround myself with... are wiser, a little bit older than me, where before, all my boyfriends were younger.

Let the veil of silence fall presently over what happened afterwards. Silence, too, can speak out.

I was born too late for steam trains and a lazy eye meant I'd never be an astronaut.

The brave find a home in every land.