The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

If you wish to make an apple pie from scratch, you must first invent the universe.

There are many hypotheses in science which are wrong. That’s perfectly all right: it’s the aperture to finding out what’s right. Science is a self-correcting process.

Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.

And you are made of a hundred trillion cells. We are, each of us, a multitude.

The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.

A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun to someone.

We are a way for the cosmos to know itself.

It is said that men may not be the dreams of the god, but rather that the gods are the dreams of men.

We are star stuff which has taken its destiny into its own hands.

When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.

Only one spirit, either good or bad, can operate at a time.

This isn't a place for lies or pretending everything's all right. We know everything is not all right. If it were, you wouldn't be here. Now. Where did you go?

A man who has committed a mistake and doesn't correct it is committing another mistake.

The trite saying that honesty is the best policy has met with the just criticism that honesty is not policy. The real honest man is honest from conviction of what is right, not from policy.

Shall eagles not be eagles? wrens be wrens? If all the world were falcons, what of that? The wonder of the eagle were the less, But he not less the eagle.

I respect Sarah Palin. I appreciate her and her husband enormously. I think she will continue to play a major role in the future of the Republican Party.

If materialistic knowledge is power, it is not wisdom. It is but a blind force.

The thing that people associate with expertise, authoritativeness, kind of with a capital 'A,' don't correlate very well with who's actually good at making predictions.

He laughed. I suddenly wanted to laugh, to laugh with him, to sit here, or maybe outside in the rain, and just laugh with him. But I couldn’t. I couldn’t even smile.

I'd say Ernest Hemingway would be a blast to get drunk with.