The Quantum Universe has a quotation from me in every chapter - but it's a damn good book anyway.

If you think you understand quantum mechanics, you don't understand quantum mechanics.

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

If you can't explain something to a first year student, then you haven't really understood .

God was invented to explain mystery. God is always invented to explain those things that you do not understand.

Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry.

My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous reason and you'd just spoil it to know it.

Religion is a culture of faith; science is a culture of doubt.

The only way to deep happiness is to do something you love to the best of your ability

Einstein was a giant. His head was in the clouds, but his feet were on the ground. But those of us who are not that tall have to choose!

Rumours voiced by women come to nothing.

Michael Moore: a man who never without an excuse for keeping murdering tyrants in power. But now he's supporting the man who bombed Milosevic into submission? How about an explanation, Mr Moore?

Out-of-control emotions can make smart people stupid.

Forget that you are anybody and just perform the activities around you. Look at them. Watch what you are doing, my God! Life is right in front of you, and it's great.

Man is imperfect. The reality he creates is always endangered by man.

I never read a horse book in my life. But I thought that's what my friends were reading and that's what I should be reading. And this was "Dobbin Does This" and "Dobbin Does That."

At heart I cannot accept that I am a well-known rock 'n' roll star and one of the greatest drummers in the world.

This is what our customers are asking for to take them to the next level and free them from the bondage of mainframe and client-server software.

I've been on the phone, I think, 20 out of 24 hours the last three days.

For every Southern boy fourteen years old, not once but whenever he wants it, there is the instant when it's still not yet two o'clock on that July afternoon in 1863...