Be authentic and organic. It can't be forced or it won't work. And most importantly, have fun.

I moved into a nice houseboat in Little Venice when I was 15 years old. I found a girlfriend called Monday and a houseboat called Friday, so I had the week sewn up.

The Earth cannot wait 60 years. I want a future for my children and my children's children. The clock is ticking.

We'll go into orbit. We'll go to the Moon. This business has no limits.

[If] man creates the problem, surely man can solve it.

Making the extra effort to say thanks in a genuine, personal manner goes a long way. It is pleasurable to do, and it encourages more of the same good behavior.

There are millions of people out there who would love to become astronauts, who'd love to go to space - they'd love to look back at this wonderful world from space. That will be the engine that will enable us then to develop spaceships to transport people around the world at tremendous speeds in an environmentally friendly way.