I believe in goals. It's never a bad thing to have a dream. If something is really what you want to do, just do it. Whatever your goal.

I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.

I have enjoyed life a lot more by saying "yes" than by sayings "no".

Never go into business purely to make money. If that's the motive you're better off doing nothing.

I think entrepreneurship is our natural state--a big adult word that probably boils down to something much more obvious like playfulness.

What does the name Virgin mean? We are a company that likes to take on the giants. In too many businesses, these giants have had things their own way. We are going to have fun competing with them.

Don't hesitate to seek external help or advice where need be. Sometimes, it takes an external, emotionally unattached individual to detect your business flaws and render unbiased advice.