Every business, like a painting, operates according to its own rules. There are many ways to run a successful company. What works once may never work again. What everyone tells you never to do may just work, once.

An entrepreneur is somebody who is taking bold risks, is often doing things that have never been done before, trying to do things better. And an adventurer is challenging themselves, often doing things that have never been done before, seeing what they're capable of. In both cases, you've got to protect against the downside.

Listen. Take the best. Leave the rest.

Early on in your career, find someone better than yourself to run the business on a day-to-day basis. Remove yourself, maybe even from the building, and from the nitty-gritty. That way, you're going to be able to see the bigger picture and think of new areas to go into.

Ridiculous yachts and private planes and big limousines won't make people enjoy life more, and it sends out terrible messages to the people who work for them. It would be so much better if that money was spent in Africa - and it's about getting a balance.

And [we hope to sell] the clean fuels to other airlines. I mean, the exciting thing about the breakthrough with clean fuels for the airline industry is there's only 1,700 pumps in the world that fill up the airlines.

THERE'S NO OTHER WAY to find out whether or not you'll be successful other than just doing it