I don't know what you could say about a day in which you have seen four beautiful sunsets.

As I hurtled through space, one thought kept crossing my mind - every part of this rocket was supplied by the lowest bidder.

The most important thing we can do is inspire young minds and to advance the kind of science, math and technology education that will help youngsters take us to the next phase of space travel.

To sit back and let fate play its hand out and never influence it is not the way man was meant to operate.

We have an infinite amount to learn both from nature and from each other.

There are times when you devote yourself to a higher cause than personal safety.

I suppose the one quality in an astronaut more powerful than any other is curiosity. They have to get some place nobody's ever been.

Too many people, when they get old, think that they have to live by the calendar.

Zero G and I feel fine.

I am a stranger. I come in peace. Take me to your leader and there will be a massive reward for you in eternity.

You know, old folks can have dreams, too, as well as young folks, and then work toward them. And to have a dream like this come true for me is just a terrific experience.

Praying is a persuasive act.

There is nothing that robs a righteous cause of its strength more than a millionaire's money.

We can be the new brand of self-extincting dinosaurs or we can evolve.

Don't discount yourself, no matter what you're doing. Everyone has a unique perspective that they can bring to the world.

I'm going to write what I feel like writing, which is a great place to be. But it can be hard to get there. It's so easy to get stricken with one kind of self-consciousness or another.

I have to march because my mother could not have an abortion.

I've had more than a few battles with a Republican president. ... I am not immune [to] disagreeing with people who otherwise I support.

Some people like to paint trees. I like to paint love. I find it more meaningful than painting trees.

When we laugh we temporarily give ourselves over to the person who makes us laugh.

I'd rather lie down than jump up.