To have created one of the most respected companies in the world. Not necessarily the biggest.

We must rapidly wean ourselves off our dependence on coal and fossil fuels.

I have always lived my life by making lists: lists of people to call, lists of ideas, lists of companies to set up, lists of people who can make things happen. Each day I work through these lists, and that sequence of calls propels me forward.

Every business will face tough times.

When you are ready to make your first hires, look for people who understand your passion, want to add to your ideas and can envision ways to make improvements.

To be a real entrepreneur you always have to be looking forward. The moment you rest on your laurels is the moment your competition overtakes you.

If you get your face and your name out there enough, people will start to recognize you.