Give your employees a mission that matches their ambitions. When you challenge people, they surprise you.

I don't live my life thinking about "if only." I just try to think positively about the future. We'll never know for certain what would have happened if we'd gone to Iraq. The important thing is that we've got to do everything we can to prevent other wars.

As people's access to the internet grows we're seeing the sharing economy boom - I think our obsession with ownership is at a tipping point and the sharing economy is part of the antidote for that.

I was the kind of entrepreneur that never really felt I made it. When Mike Olefield's "Tubular Bells" [Virgin Records' first release] sold 8 or 10 million copies, I suppose, at age 19, I could've possibly retired on the money. Instead, I immediately pushed the boat and took that risk again.

I cannot remember a moment in my life when I have not felt the love of my family. We were a family that would have killed for each other - and we still are.

It's obviously incredibly important to keep the body fit in order to keep the mind fit, and be able to find time for friends.

Surprisingly, a large number of people who fell out with their partners contacted us, saying that they would love to fly on a Virgle spaceship. But out of April Fools' jokes come real things, and I wouldn't be surprised, within the next 50 years, [if] there are one-way trips heading out into space with people on it. It would be very exciting.