The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.

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!

You Can't Lose Something You Never Had

The splendor of God's work is the beauty of stars.

If we don’t know who we are, we conceal our true selves and wear the image of others

Five is for five heartbeats, the length of time it takes to breathe in or out. For that is how quickly a life may change, for better or for ill. The time it takes to make up, or change, your mind.

I follow my heart, for I can trust it.

I visited those friends who'd just had a baby, and she was washing dishes and he was cleaning the house, and I burst with happiness. And in their minds, they were in this terrible domestic rut

I'm such a goody two-shoes, I've never stolen a single thing. I would not be able to handle it. I would not be able to live with the guilt of having stolen something.

I will always catch you when you fall

Respect, of course is a tricky term. I may respect your gardening by just letting you get on with it. Or, I may respect it by admiring it and regarding it as a superior way to garden.

After I was fired from Disney, I did some of the worst movies ever made...