I like to regard myself as someone who's capable of critical thought, that is to say, who can evaluate claims.

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.

Ask not what you can do for your country. Ask what’s for lunch.

If we cannot end now our differences, at least we can help make the world safe for dive

When I live each day so well, I will have no regrets when tomorrow never comes.

Anything with no head is dead, and anything with two heads is a freak.

How had it turned into this? I had lived my whole stupid life without him, and now I could barely make it through the hour.

[...] to introduce into the philosophy of war itself a principle of moderation would be an absurdity

We are not saved by good deeds; we are saved for good deeds. Jesus transforms us to transform others.

I dress a little strange. I dress a little theatrically.

I am stronger than I thought I was. My favorite phrase has been 'This too shall pass.' I now understand it really well.

I have an infamously low capacity for visualizing relationships, which made the study of geometry and all subjects derived from it impossible for me.