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

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.

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.

All the normal matter in the Milky Way disc is denser than the dark matter that surrounds it.

I've always looked on criticism as a sort of envious tribute.

We carry with us the wonders we seek without us.

My favorite kind of humor is basically, if it was happening to you, it wouldn't be funny, but to observe it, it's hilarious.

You can't trust an artist that just makes good records.

He who marvels at the beauty of the world in summer will find equal cause for wonder and admiration in winter.

The age of Chivalry is gone. An age of Humanity has come.

Twitter is an amazing thing, because people follow each other and they can make friends.

Better a snotty child, then his nose wip'd off.

Genius flames and dies, but amiable competence can live forever.

The educational system is pretty much geared to passing the next exam. You're educated to pass tests and not to understand.