Whether you are an astronomer or a life scientist, geophysicist, or a pilot, you've got to be there because you believe you are good in your field, and you can contribute, not because you are going to get a lot of fame or whatever when you get back.

Roger, liftoff, and the clock is started.

You know, being a test pilot isn't always the healthiest business in the world.

I can hit it farther on the moon. But actually, my swing is better here on Earth.

Got more dirt than ball. Here we go again.

I guess those of us who have been with NASA kind of understand the tremendous excitement and thrills and celebrations and national pride that went with the Apollo program is just something you're not going to create again, probably until we go to Mars.

When I first looked back at the Earth, standing on the Moon I cried