Anybody who grew up with the space program is a fan of science fiction.

Everyone you will ever meet knows something you don't.

We are just a speck, on a speck, orbiting a speck, in the corner of a speck, in the middle of nowhere.

To leave the world better than you found it, sometimes you have to pick up other people's trash.

Science is the best idea humans have ever had. The more people who embrace that idea, the better.

You and I are made of stardust. We are the stuff of exploded stars. We are therefore, at least 1 way that the Universe knows itself. That, to me, is astonishing.

There's nothing I believe in more strongly than getting young people interested in science and engineering, for a better tomorrow, for all humankind.

I speak with dogs frequently. They don't really talk, but I feel they're communicating.

The natural world is a package deal; you don't get to select which facts you like and which you don't.

The more you find out about the world, the more opportunities there are to laugh at it.

Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.

We're all going to die, all of us, what a circus!

The trouble with the last snowfall of the season is that you can't be sure.

There ought to be system of manners in every nation which a well-formed mind would be disposed to relish. To make us love our country, our country ought to be lovely.

I want to describe myself, not be described by others.

Sometimes you’re loved because of your weaknesses. What you can’t do is sometimes more compelling than what you can.

The hardest and worst interview that I have ever done was with Frank Zappa.

I obviously irritate people. I obviously antagonise them.

When the eyes say one thing, and the tongue another, a practiced man relies on the language of the first.

Your work should be in praise of what you love.

Excuses are for losers, and winning is for winners, like you!