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.

Learn to look after your staff first and the rest will follow

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.

So I've seen life as one long learning process. And if I see - you know, if I fly on somebody else's airline and find the experience is not a pleasant one, which it wasn't in - 21 years ago, then I'd think, well, you know, maybe I can create the kind of airline that I'd like to fly on.

Fortunately we're not a public company - we're a private group of companies, and I can do what I want.

I just wanted to create things that I could be proud of. Money was just an evil byproduct to pay the bills at the end of the year.

If you're hurt, lick your wounds and get up again. If you've given it your absolute best, it's time to move forward.