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

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 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.

The Earth is not 6,000 or 10,000 years old. It's not. And if that conflicts with your beliefs, I strongly feel you should question your beliefs.

I'm not out to make everybody happy. I'm out to make the right people happy.

Wherever an altar is found, there civilization exists.

Angkor is perhaps the greatest of Man's essays in rectangular architecture that has yet been brought to life.

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

I think political correctness is a moving line.

We should be careful to get out of an experience only the wisdom that is in it - and stop there.

Suicide is a privilege of man which deity does not possess.

Too often, the person who wrecks our work is us.

You think you can say a few words and end us? There is no end, Eva." he flattened me into the side of the car. I was pinned by six feet, two inches of violently aroused male.

Women's Lib? I couldn't stand it.