I shot down two airplanes in Korea, so I wasn't a slouch.

When I was a little kid, we only knew about our nine planets. Since then, we've downgraded Pluto but have discovered that other solar systems and stars are common. So life is probably quite prevalent.

The first footfalls on Mars will mark a historic milestone, an enterprise that requires human tenacity matched with technology to anchor ourselves on another world.

The big companies are the private industry. But they're faced with a short-term need to show a profit in short-term.

It's not easy to get human beings into orbit. So far only three nations have been able to do that, with all the resources that they put together. And I'm just a little skeptical that that's going to be done by the private sector without making use of what has been done by the government.

Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon.

A family needs to work as a team, supporting each other's individual aims and aspirations.