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.

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them - preferably in unexpected and helpful ways.

Be creative. Innovate consistently on the little things that the big companies ignore. Little things often make big differences in business.

Surprisingly, a large number of people who fell out with their partners contacted us, saying that they would love to fly on a Virgle spaceship. But out of April Fools' jokes come real things, and I wouldn't be surprised, within the next 50 years, [if] there are one-way trips heading out into space with people on it. It would be very exciting.

Lead by listening - to be a good leader you have to be a great listener.

I just love life. I mean, you know, I love every second of it. I love people.

Your brand name is only as good as your reputation