I think we're a long ways from really putting colonies of people out there who would live their whole lives out there in space. I don't see that happening for quite some time.

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.

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

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.

I have no regrets because I did everything by the book.

The way to transmute your iron duty into gold in everyone's eyes is this: always deliver more than you promise.

Time takes all and gives all

Trying to build the brotherhood of man without the fatherhood of God is like trying to make a wheel without a hub.

Well it's true, ever since I stopped eating meat I feel a lot better among animals, I feel I can be much more honest when I pat a dog.

There are choices you have to make not just once

You wouldn't be caught wearing cheap perfume, would you? Then why do you want to wear cheap perfume in your conduct?

Guess what this liberal would be all about? This liberal will be about socializing...uh, um...Would be about, basically, taking over, and the government running all of your companies.

I am not so lost in lexicography as to forget that words are the daughters of earth, and that things are the sons of heaven.

I'm always sticking up for other people.