I think sometimes when you come from a conservative background, you want to rebel a little bit. I dropped out of school at 15 and learned early in life that saying yes was a lot more fun than saying no. If you have the opportunity to explore the skies and attempt something people haven't done before - well, I was damned if I was going to sit around watching television while someone else was doing it.

We have the enormous opportunity in our hands to make a positive difference for business, people, and the planet.

I was trouble - and always in trouble. Aged eight I still couldn't read. In fact, I was dyslexic and short-sighted. Despite sitting at the front of the class, I couldn't read the blackboard. Only after a couple of terms did anyone think to have my eyes tested. Even when I could see, the letters and numbers made no sense at all.

Focus on your business strengths and keep its weaknesses away from the competition or public.

Business is what concerns us. If you care about something enough to do something about it, you're in business

We will eventually build space science labs and hotels, prodding the capability for missions beyond the orbit of the Earth. Our space-hotel guests will be able to take breath-taking excursions, flying a couple of hundred feet above the Moon's surface in small two-man spaceships. In time, we will launch missions to Mars and beyond.

When people warn me against doing something once my mind is made up, I grow increasingly determined to try it.