Success cannot be measured in wealth, fame or power, but by whether you have made a positive difference for others.

The balloons only have one life and the only way of finding out whether they work is to attempt to fly around the world.

Succeeding in business is all about making connections

If you don’t enjoy it, don’t do it. You must love what you do.

And obviously, from our own personal point of view, the principal challenge is a personal challenge.

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

So unlike having to convert, you know, all the cars' or all the lorries' petrol stations, once you've actually got the clean fuels, it's relatively easy to, you know, get it to the airplanes.