A great deal more is known than has been proved.

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!

Marriage is like a fingerprint. Everyone's is different.

Positive words are well spring of life.

I think New Mexico was the greatest experience from the outside world that I have ever had.

Columbus dreamed of an unknown shore at the rim of a far flung sky.

The Booker Prize is a big, popular prize for big, popular books, and that's the way it should be.

my wild, uncured, erratic, incomprehensible heart.

The Goddess has a fourth face, which is secret, and you should pray to her, as I do — as I do, Igraine — that Morgause will never wear that face.

There are always two parties; the establishment and the movement.

Up until 1995, I still had a day job that I hated. I was still personally involved in things in the 90s.

On movies, you have a lot of stylists that get things too pretty. Everything gets steamed and ironed. It's just not the way we really behave.