Fun is one of the most important - and underrated - ingredients in any successful venture. If you're not having fun, then it's probably time to call it quits and try something else.

I decided there must be room for another airline when I spent two days trying to get through to People Express.

Chance favors the prepared mind. The more you practice, the luckier you become.

And ever since then [I] have set up businesses basically out of frustration. I mean, I set up Virgin Atlantic with one second-hand 747 because I hated the experience of flying on other people's airlines. And I thought, you know, I could try to create the kind of airline that I'd like to fly on. And people liked it.

If you are glass half empty type of person, maybe you just haven’t been holding the right glass

I've never sued anybody, though there have been one or two occasions I've wanted to strangle one or two people.

Life is a helluva lot more fun if you say yes rather than no