If not for me, the H-bomb would have been developed in Russia first. In the U.S., we'd now be speaking Russian.

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.

Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.

Art helps you connect to the world, not escape from it. That is the difference between art and entertainment.

Doesn´t matter who you are or what you believe. Everybody has a ghost story

Be memorable. Be outstanding.

A man who grows that much hair,' critics were fond of saying, 'must have a lot to hide.

Death is a mighty, universal truth.

I used to shoot up and throw up, now I suit up and show up.

So many things become beautiful when you really look.

Now some they do and some they don't And some you just can't tell And some they will and some they won't With some it's just as well.

I think when I was a kid, and I was in England and it was all about The Stones, The Who, The Kinks and The Beatles and that's what my dad was into.