That was a real fireball.

On K-12 education America has gone down, down, down compared to the other nations. It doesn't mean that we have gotten dumber. It just means that we have not advanced as fast in those areas as other nations have done, and we're way down right now.

I still love to fly and I'll never get over that.

If there is one thing I’ve learned in my years on this planet, it’s that the happiest and most fulfilled people I’ve known are those who devoted themselves to something bigger and more profound than merely their own self interest.

The moment of twilight is simply beautiful.

We used to joke about canned men, putting people in a can and seeing how far you can send them and bring them back. That's not the purpose of this program... Space is a laboratory, and we go into it to work and learn the new.

To get your name well enough known that you can run for a public office, some people do it by being great lawyers or philanthropists or business people or work their way up the political ladder. I happened to become known from a different route.