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

The science of today is the technology of tomorrow.

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.

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.

Do our dreams carry messages from the great beyond, sent by the people we have lost, or are they a reflection of our desperation and wishful thinking?

No amount of art, even of the Great American variety, can elevate you above, or insulate you from, the divisions, the cataclysms, of ordinary life.

You will find as you look back upon your life that the moments when you really lived are the moments when you have done things in the spirit of love.

People of Berlin - people of the world - this is our moment. This is our time.

Imagine a vast ocean. Feel that you are part of that ocean. Imagine that each wave in the ocean is slowly moving through you. Feel that each wave is a wave of joy.

Little-known fact: When the stock exchange closes, the guy who comes out on the balcony with that big hammer slams it on the head of the person who lost the most money that day.

And then he smiles, and in all the places around the globe where it's night, day breaks.

You know, I've never accidentally drilled a hole in myself while programming.

There is no better means of attainment to the spiritual life Than by continually beginning again.

The convent is supreme egotism resulting in supreme self-denial.