Just because I'm 77 doesn't mean I don't have a dream.

I think we're a long ways from really putting colonies of people out there who would live their whole lives out there in space. I don't see that happening for quite some time.

I think that it's good for us to be able to travel in space and do research in space, and I emphasize the research, because space travel to me is far more than just seeing how far we can go.

I don't know what you could say about a day in which you have seen four beautiful sunsets.

That was a real fireball.

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.

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.