To sit back and let fate play its hand out and never influence it is not the way man was meant to operate.

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.

We're going to go to the moon. We're going to go on to Mars. We're going to set up a base on the moon. OK, but no money to pay for it, nothing in the budget for it. And so the decision made at that time was to cancel the whole shuttle program to save money, which I think was very, very short sighted.

Americans just want us to... not be concerned if they can be constitutionally justified... Why, if we had to do that we could not pass most of the laws we enact around here.

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.

A lot of people ask...why a man is willing to risk... Well, we've got to do it. We're going into an age of exploration that will be bigger than anything the world has ever seen... If a man faces up to the (unknown) and takes the dare of the future, he can have some control over his destiny.