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.

Liftoff is very, very gentle, contrary to what most people think. Because you remember, the weight of the booster - the amount of thrust on the engine is just barely enough to get the booster underway. And so it's a very gentle liftoff, contrary to what most people think when they see all the fire and smoke of launch.

Most of our competitor nations around the world have a national education system and America is the only major nation in the world that operates off of local school boards. They receive very little direction from state boards of education or from the nation. So local school boards direct basically what happens and too often they're not willing to track or to do the supervision of the education system that will make it world competitive.

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.

Too many people, when they get old, think that they have to live by the calendar.

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

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.