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.

We'll go into orbit. We'll go to the Moon. This business has no limits.

We've got an engaging, edgy, vibrant, fun product, ... It may or may not work, but we're going to give it our best shot.

Please don’t get hung up on this question of whether you need to have experience in an industry before you launch your startup.

It's really important to find an hour or two to a day to make sure that you keep healthy, keep fit. It's very easy just to forget that aspect. And if you're feeling really good and fit, I think you can get two or three extra hours a day of hard work in as well.

We had an electrical fault about 500 miles into the trip and lost more than half our fuel. We had a fire on the roof. And missed Los Angeles by 3,500 miles at the end of the trip and ending up in the arctic in a snowstorm.

If you're bringing up kids, you just want to smother them with love and praise and enthusiasm. So I don't think you can mollycoddle your kids too much really.