Progress in science comes when experiments contradict theory.

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!

Excuse me, ” she said, her voice tight. “But if I’d known there was going to be a firearms examination at the end of the kidnapping, by God, I would have studied for it!

Whoever is willing to sacrifice his life for God will always be under God’s protection

I have brightness in my soul which strains toward Heaven. I am like a bird!

I don't listen to my own music at home.

I think I regard any history in quotes, because just like science, we're constantly revising science, we're constantly revising history.

They engage in activities aimed at bringing them [clients] to Jesus. That's fine, but it shouldn't be done with government money.

I wonder more and more just where I may have come out if I had never seen Harvard Square.

The history of science is everywhere speculative. It is a marvelous hiatory. It makes you proud to be a human being.

I get out, I get out of all your boxes.

Steven Gerrard is the best player I've ever played with.