The Earth cannot wait 60 years. I want a future for my children and my children's children. The clock is ticking.

I believe that drudgery and clock-watching are a terrible betrayal of that universal, inborn entrepreneurial spirit.

Half the art of ballooning is to make your crashes so gentle that you can fool yourself into calling them landings.

I am a great believer that you need passion and energy to create a truly successful business. Remember many new businesses do not make it and running a business will be a tough experience, involving long hours and many hard decisions - it helps to have that passion to keep you going.

We've definitely cracked the technology. Now we're just trying to be able to produce the amount of fuels that we need to satisfy our own needs and then other people's needs.

Although my spelling is still sometimes poor, I have managed to overcome the worst of my difficulties through training myself to concentrate.

Always think, 'what's the worst that can happen' and have some kind of strategy to deal with it