I have learnt more from my failures than my successes.

Business leaders take things far too seriously, and forget that most of the time people spend in their lives is at work, and it should be fun.

My very first venture was a national student magazine to try to campaign against the [Vietnam] War. And so I wanted to be an editor. I wanted to bring the magazine out. And in order for the magazine to survive I had to worry about the printing and the paper manufacturing and the distribution. And, you know, I had to try to, at the end of the year, have more money coming in than going out.

People do not mind people who try things and fail. If you're a good entrepreneur, you're not going to succeed in every single thing you try. You've got to try to succeed at more things than fail.

A little humour is good for the soul - regardless of how old you may be.

I've obviously been born fortunate. I love people. I enjoy every single minute of my life.

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.