Red tape will often get in your way. It's one of the reasons I often carry scissors!

As we drifted to earth I sat up on the glass roof of the capsule, watching the beauty of the golden dawn as it broke over the desert. This was a day I never thought I'd see and the rising sun and growing warmth of the day seemed very precious. It made me aware that hard-won things are more valuable than those that come too easily. It reminded me to always enjoy the moment.

If you don't take risks you won't achieve anything.

The most important thing for entrepreneurs is not to be put off by failure.

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.

Smiling can be a competitive advantage. It makes everyone feel better and every situation brighter.

I think it's important we continue to find new ways for start-up businesses to get access to funding, mentorship and business advice.