Most people avoid thinking if they can, some of us are addicted to thinking, but Von Neumann actually enjoyed thinking, maybe even to the exclusion of everything else.

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.

The cure for the evils of democracy is more democracy.

Happiness is like a cloud, if you stare at it long enough, it evaporates.

History never looks like history when you are living through it.

I am an artist and a writer, and I do think that one always places oneself in the picture to see where one fits.

I love the way dates in a text make us think that truth will follow.

At my age you find yourself looking back from time to time and you begin to appreciate some of the things that happened to you.

Be grateful for every thing good and bad that comes to you. For all things have contributed to your advancement.

The hairsplitting difference between formed and unformed makes no difference to us. Whoever deliberately commits abortion is subject to the penalty for homicide.

There is something out of gear about graded schools and all that. Memory is developed at the expense of what in general we are pleased to call thought and character.