Stuff goes wrong. Expect it, learn from it, fix it. That's how remarkable happens.

Life on Earth is at an ever-increasing risk of being wiped out by disaster. ... I think the human race doesn't have a future if it doesn't go into space. I therefore want to encourage public interest in space.

You should command and demand the tenfold leverage on your dollars when you give it away as well.

I'm a nine-year old kid inside and my passion has been all my life to want to travel into space.

By 2020 the U.S. will be short 91,000 doctors. There's no way we can educate enough doctors to make up that shortfall, and other countries are far worse off.

I don't think the space station is innovative. Going to the moon was innovative because we had no idea how to do it.

In the space business, space had gotten very much to be the aerospace industry. This is something that governments only do and it's where the Boeings and the Lockheed's and the Northrop's and so forth. And there's no way these small companies could do it.