Science is of value because it can produce something.

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!

Everybody means by an open mind, a mind which contains their prejudices but not somebody else's.

A man who don't know history, he don't know anything.

Maybe don't make it so.

The so-called miracle of birth is nature getting her own way.

Appearing on the front page of the New York Times even given the state of papers today is still something that's seen by a lot of people.

When you realize that the ego is making you miserable you don't identify with it. You identify with your soul's humility and the ego dissolves.

Longing hearts could only stand so much longing.

Everybody has to learn that the world works in very specific ways, and you're not in charge of it.

I wanted the song to contain various meanings, and what I wanted in particular was to appeal to the audience with my charms as a man.

Writing good dialogue is art as well as craft.