I felt uneasy about making the rapid decisions I have always made, and wondered whether every decision should be formally ratified and minuted at a board meeting.

What can you do to make a difference? And why should you do it? (...) the scale of one's social investments doesn't matter. What matters is that you operate as a force for good at every scale available to you.

I had no plans to be an entrepreneur. I just wanted to be a journalist and write for a magazine. At 15, I just decided to leave school and launch a national student magazine.

Kite surfing is a great way of keeping fit. Kiting is great because you're bouncing over the waves and you're surfing the waves. I do quite long kite surfs-50 miles in a day.

A business has to be involving, it has to be fun, and it has to exercise your creative instincts.

Complexity is your enemy. Any fool can make something complicated. It is hard to keep things simple.

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.