If we could do something that enhances the body's immune system here on Earth, it would be a tremendous step forward in the fight against disease and cancer and other things.

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.

There are few aspects of everyday life that aren't touched by the technologies developed for space travel.

We have arrived at an intellectual chaos.

[On her UNICEF work:] I'm glad I've got a name, because I'm using it for what it's worth. ... I do not want to see mothers and fathers digging graves for their children.

Courtesy is not dead - it has merely taken refuge in Great Britain.

I love the whole of California, I have places... my whole thing is with all the money I make, I just want to buy as many places in California as I can because I love it.

Have the courage to do something which deserves transportation if you want to be somebody.

The Holy Ghost is not a Sceptic, and He has not inscribed in our hearts uncertain opinions, but, rather, affirmations of the strongest sorts.

I have always said, in my own rise in the leadership, please don't ever ask anybody to vote for me because I'm a woman.

Let no one persuade you by word or deed to do or say whatever is not best for you.

Work with some men is as besetting a sin as idleness.