At no time, when the astronauts were in space were they alone, there was a constant surveillance by UFOs.

This planet is not terra firma. It is a delicate flower and it must be cared for. It's lonely. It's small. It's isolated, and there is no resupply. And we are mistreating it.

The flight experience itself is incredible. It's addictive. It's transcendent. It is a view of the grand plan of all things that is simply unforgettable.

Pioneering in space was something I would willingly give my life for.

Satisfying curiosity ranks No. 2 in my book behind conquering a fear.

Space is not an enterprise that belongs to the U.S. or to Russia or to China - it is a human endeavor and experience. And that's as it should be.

The women glare at each other. Grin. You have friends when you're fifteen years old. Sometimes you get them back.

I was so afraid to feel free to enjoy my own life if my mother was sick and suffering everyday of her's. I didn't think I had the right.

I thought it was too wacky for the general public. On his original opinion of his movie's chances for success, 1997.

He is happy as well as great who needs neither to obey nor to command in order to be something.

Any manual labor I've done was purely by mistake.

Consistency is the bugbear that frightens little minds.

You shouldn’t blindly accept a leader’s advice. You’ve got to question leaders on occasion.

The becoming of man is the history of the exhaustion of his possibilities.

I feel like I have always played within the rules. I would never break the rules.

Thought, without the data on which to structure that thought, leads nowhere.