I'm not creating the universe. I'm creating a model of the universe, which may or may not be true.

Creativity is essential to particle physics, cosmology, and to mathematics, and to other fields of science, just as it is to its more widely acknowledged beneficiaries - the arts and humanities.

It's hubris to think that the way we see things is everything there is.

Basically, I wasn't properly socialized, so it made sense to do physics.

When it comes to the world around us, is there any choice but to explore?

One of the nice things about math and science is it’s obvious, you get the answer or you don’t get the answer.

Speculation and the exploration of ideas beyond what we know with certainty are what lead to progress.

Sometimes models are surprisingly smart.

Travel at faster than the speed of light certainly can have dramatic implications that are difficult to understand, such as time travel.

I did not set out to explain the extinction of the dinosaurs. I'm a particle physicist, and I was actually thinking about dark matter along with some collaborators.

Science is a combination of theory and experiment and the two together are how you make progress.

I loved you before all of this. When there was nothing. When there was only a single atom in the night sky.

... education is the second food a parent can give a child.

Urban retrofitting: creating different sorts of spaces and uses out of places that are already there.

A Soviet diplomat, like a skilled chess player, does not expect his opposite number to give up something for nothing, not even a pawn.

As Bob Dole found out, you can't keep a positive image while being your party's mouthpiece in Congress. That's why no legislative leader since James Madison has ever been elected president.

Censorship reflects a society's lack of confidence in itself. It is a hallmark of an authoritarian regime.

Some things are too important to be taken seriously.

Truth knows no color; it appeals to intelligence.

I think my favorite fact about myself is that I have never been dismayed by a critic's bilge or bile, and have never once in my life asked or thanked a reviewer for a review.

I try not to make snap judgments. I never, ever make conclusions about products I've never tried.