The funny thing is people won't let me pay for things. I'll be in a restaurant and the manager will say, 'Oh no, it's on the house.'

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.

All in all, the internet is a force for good, providing young entrepreneurs with access to an incredible wealth of information, has changed the way we see the world and is also a great source of innovation and entrepreneurial opportunities.

Taking bold climate action now has the potential to unleash the full power of business and at the same time lift millions of people out of poverty. We're the first generation to recognize this and the last generation that will have this opportunity.

Values cannot be speedily forgotten if it is inconvenient or commercially expedient. Values have to have meaning and longevity; otherwise they are valueless. You cannot embrace innovation up to a point or only sometimes. Branding demands commitment; commitment to continual re-invention; striking cords with people to stir their emotions; and commitment to imagination. It is easy to be cynical about such things, much harder to be successful.

People have to decide on priorities if they want to get anywhere. The best lessons I learned was to just do it.

I make up my mind about whether I can trust someone within 60 seconds of meeting them