If you want swashbuckling action in your life, become an entrepreneur and give it a go.

I like to set myself a new adventure challenge at least once or twice a year because I love that side of my life. I love getting fit and training for it.

We all know about the big world conflicts: Israel and Palestine, Zimbabwe, and so on. But there are smaller conflicts that aren't even on the world's radar screen; most of the world has no idea that Ethiopia invaded Somalia a year ago. It makes sense for the Elders to sit down with both sides and see whether leaders can come to an understanding.

There are millions of people out there who would love to become astronauts, who'd love to go to space - they'd love to look back at this wonderful world from space. That will be the engine that will enable us then to develop spaceships to transport people around the world at tremendous speeds in an environmentally friendly way.

Money is only interesting for what it lets you do and create.

I rely far more on gut instinct than researching huge amounts of statistics.

We don't actually plan to launch new businesses over the next few years, but we are planning to take the ones we have into new territories.