And in the process, we have come up with fuels - algae-based fuels, isobutanol-based fuels and other fuels - that we think will power the planes in the future so that, you know, by 2020 I hope that our planes will be powered on fuels that are clean fuels and are not polluting the environment so that we'll have a green airline and an airline that actually has fuels that will be hopefully cheaper than the dirty fuels of the past. So [we're] doing good and also turning a profit at the same time.

Remember the to-do list but don't forget the to-be list.

I believe a good leader brings out the best in people by listening to them, trusting in them, believing in them, respecting them and letting them have a go.

Good people have always been at the heart of the Virgin business, and that's largely because we have tried to keep our business small, and our management teams tight-knit. I feel that small, compact companies, are better run. That is partly because people feel more connected in small companies.

Universities are fantastic places to gain knowledge on a subject, develop a personal network, explore your character and learn new techniques to approach problems. I do however believe that there is a strong argument for students who have an idea they are passionate about to just try and turn it into a reality. I fell into this category and I don't regret not going to University.

Focus on your business strengths and keep its weaknesses away from the competition or public.

Taking bold climate action now has the potential to unleash the full power of business and at the same time lift millions of people out of poverty. We're the first generation to recognize this and the last generation that will have this opportunity.