There is no debate in the scientific community...We need [Congress] to change things, not to deny what's happening.

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.

Most successful people move from fear to failure

The essentials of poetry are rhythm dance and the human voice.

I felt rich when I was 20 years old and my wife was paying my bills. Just being in a band, I've always felt blessed.

Individuality is very important for a full human life.

...but we also know that to be educated, the goal of it must be human liberation-liberation enabling each of us to fulfill our capacity so as to be free to create within and around ourselves.

[Nelson] Mandela was very keen not to be understood as an exceptional person.

I suppose it is because woman's courage is mental and man's physical, that in times of great strain women always make the better showing.

That you may please others you must be forgetful of yourself.

Earth could not hold us both, nor can one heaven Contain my deadliest enemy and me.

I learned it doesn't matter how you win. You play to your team's strength.