It was the time of the Cold War and so there were was a lot of pressure on the - to get going and the Russians were claiming that they were - Soviets were claiming they were ahead of us in technology. And so it was against that backdrop that the early space flights took off.

America is in a newly competitive position around the world, and unless we keep our lead in education for all of our people and do the research along with that, other nations will start outdoing us and they will be leaders in the world.

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.

It was the time of the Cold War and so there were was a lot of pressure on the - to get going and the Russians were claiming that they were - Soviets were claiming they were ahead of us in technology. And so it was against that backdrop that the early space flights took off.

When others kid me about being bald, I simply tell them that the way I figure it, the good Lord only gave men so many hormones, and if others want to waste theirs on growing hair, that's up to them.

There are times when you devote yourself to a higher cause than personal safety.

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