All the time you're saying to yourself, 'I could do that, but I won't,'--which is just another way of saying that you can't.

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!

Who wants to read a book when you can blow something up?

With great power often comes great confusion.

Said will be a little ahead, but done should follow at his heel.

I'm planning my most ambitious tattoo yet. You can never have enough tats.

Men are a thousand times more intent on becoming rich than on acquiring culture, though it is quite certain that what a man IS contributes more to his happiness than what he HAS.

Players today can only shoot with their laces. I could shoot with the inside, laces, and outside of both feet. In other words, I was six times better than today's players.

I moved from Minnesota out to Los Angeles and I thought I was going to hate it out there, but I really like it.

The quality of our lives is diminished every time we lose a great artist.

If the actor has a problem, I can just go in and fix it right away. I think it speeds up the process.

Ive never been the type of guy thats ever needed a lot of things or any fancy things, but my lifelong goal has always been to have a piece of land and a house.