Breaking the rules and challenging convention is in the DNA of every successful entrepreneur.

I am impressed with just the enthusiasm for life and the fact that some of these people are in their 80's, even 90's, and they're absolutely determined to get out there and make a difference.

I am a great believer that you need passion and energy to create a truly successful business.

We must rapidly wean ourselves off our dependence on coal and fossil fuels.

I'm a lad of the '60s. I started a magazine to try and end the Vietnam war, but it was a number of years before I had the profile, the financial resources and the time to do more.

My parents brought me up with this philosophy. You must do things. You mustn't watch what other people are doing. You must not listen to what other people are doing.

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