If we go back to the moon, we're guaranteed second, maybe third place because while we are spending all that money, Russia has its eye on Mars. Landing people on the moon will be terribly consuming of resources we don't have. It sounds great - 'Let's go back. This time we're going to stay.' I don't know why you would want to stay on the moon.

One of the major problems with long-term deep space human flight is the requirement for radiation shielding.

I didn't start skiing until I was 50. My wife Lois taught me how to ski. I'm proficiently conservative.

The urge to explore has propelled evolution since the first water creatures reconnoitered the land. Like all living systems, cultures cannot remain static; they evolve or decline. They explore or expire. . . . Beyond all rationales, space flight is a spiritual quest in the broadest sense, one promising a revitalization of humanity and a rebirth of hope no less profound than the great opening out of mind and spirit at the dawn of our modern age.

My petite little platinum blonde beauty of a wife suddenly turned into a public-relations dynamo. "The business is Buzz!" she proclaimed, and indeed so it became.

Bravery comes along as a gradual accumulation of discipline.

I do celebrity ski races all over the world.