By its very definition, civic responsibility means taking a healthy role in the life of one's community. That means that classroom lessons should be complemented by work outside the classroom. Service-learning does just that, tying community service to academic learning.

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.

We had an airplane, a Beechcraft Baron, that we - I had since 1981. And Annie [Glenn] and I both of had to have knee replacements unfortunately over the past year, and it made it more difficult to climb up on the airplane. We weren't using it that much so we did - it hurt a lot but I finally sold the airplane.

As far as actually setting up colonies of people who would live their whole lives in space, I think we're a long ways from doing that yet, and I think we have many, many decades before we could be able to even consider something like that.

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.

America put more money into research, into the new and the unknown than any nation in history, and the same thing with education, and those two things led us into a worldwide preeminence in a very short period of time.

I still have my [flight] license and I can still pass a flight physical.