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

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.

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.

A fact is a simple statement that everyone believes. It is innocent, unless found guilty. A hypothesis is a novel suggestion that no one wants to believe. It is guilty, until found effective.

He's getting away you idiots! Shoot him. I'm wearing Spider-Man underpants!

In the woods too, a man casts off his years, as the snake his slough, and at what period soever of life, is always a child. In the woods, is perpetual youth.

Being insulted offers you an opportunity to practice decency and having a non-response internally.

The abdomen is the reason why man does not easily take himself for a god.

What is the robbing of a bank compared to the founding of a bank?

Let me tell you what I just heard. Talk, talk, talk, I. Talk, talk, talk, I. Well, what about me?

To know one's self is wisdom, but to know one's neighbor is genius.

Everything in the world of things and animals is still filled with happening, which you can take part in.

With all her masculine vigour and glory, Greece fell, gradually atrophied, because one half of her had been, of set purpose, intellectually and politically paralyzed.

No pressure, no diamonds.