We are the first species to have taken our evolution into our own hands.

Somewhere, something incredible is waiting to be known.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

I don't want to believe. I want to know.

The absence of evidence is not the evidence of absence.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

For small creatures such as we the vastness is bearable only through love.

You have to know the past to understand the present.

Sometimes fate is what you make it, and I'm making my life with you.

You may love, honor, and care for her, but someone else is doing what she needs.

All you can do is all you can do... If all you can do, is still not good enough, then go do something else.

I think that life has a secret, and children they hold that secret. Maybe it's not given to everybody to discover this thing.

How did you go bankrupt?" Two ways. Gradually, then suddenly.

America is on her deathbed.

When I came into office, I could have kicked the can down the road for a little while, or I could do the right thing.

No one should ever be ashamed of going to meetings. It's healthy, it's therapeutic and it's the right way to live.

I can be a badass DJ when I want, but I am also an insufferable music snob.

In football, you're taught to react by being aggressive, taught to react with violence. If you can't separate that on the field and off the field, you're going to be in a lot of trouble in your life.