To succeed in business you need to be original, but you also need to understand what your customers want.

Having a personality of caring about people is important. You can’t be a good leader unless you generally like people. That is how you bring out the best in them.

I've never sued anybody, though there have been one or two occasions I've wanted to strangle one or two people.

If you have an idea that's going to make a big difference to people's lives, and other people are not doing it, you know, just say "screw it," do it and get on with it, and give it a go.

Space travel will be like every other business. There will be competitors. . . . Thirty months from now, I'm confident we'll be flying people into space.

If somebody offers you an amazing opportunity but you are not sure you can do it, say yes-then learn how to do it later!

Learn to raise capital by any means necessary. That's your primary job as an entrepreneur. You must continually raise capital from family and friends, banks, suppliers, customers and investors.