My mother was determined to make us independent. When I was four years old, she stopped the car a few miles from our house and made me find my own way home across the fields. I got hopelessly lost.

You've got to take risks if you're going to succeed. I would much rather ask forgiveness than permission.

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.

We need a new way of doing business to get out of the present crisis ... Absolute greed has come close to bankrupting the world. Thanks to the crisis that certain businesses have dumped on everyone a lot of people are going to suffer on a global scale. All of us must learn. It is all the more important that those business leaders that are left standing try to be a force for good.

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.

Dream big and you will be presented with the opportunity to lead the world on an incredible adventure.

For a successful entrepreneur it can mean extreme wealth. But with extreme wealth comes extreme responsibility. And the responsibility for me is to invest in creating new businesses, create jobs, employ people, and to put money aside to tackle issues where we can make a difference.