Life's too short. If you're passionate - stand up.

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.

Commitment is not letting people down. That's very important in life.

Business is what concerns us. If you care about something enough to do something about it, you're in business

Confidence breeds confidence and negativity breeds negativity. Treat those around you with respect and dignity and they will thrive.

Whether we're fighting climate change or going to space, everything is moved forward by computers, and we don't have enough people who can code. Teaching young people to code early on can help build skills and confidence and energize the classroom with learning-by-doing opportunities. I learned how to fly a hot air balloon when I was 30,000 feet up and my life was in the balance: you can learn skills at any age but why wait when we can teach everyone to code now!

What's the most critical factor in any business decision you'll ever have to make? Basically, it boils down to this question: If this all crashes, will it bring the whole house tumbling down like a pack of cards? One business matra remains embedded in my brain - protect the downside.