That's the part where the governments have a unique role, and then when it progresses well enough, then existing companies or new startup companies should take it. In the $3 trillion a year energy market, the rewards will be quite fantastic.

You need to understand things in order to invent beyond them.

(On being the world's richest man) I wish I wasn't ... There's nothing good that comes out of that. You get more visibility as a result of it.

Looking at these issues as a businessman, I believe that investing in the world's poorest people is the smartest way that our government spends money.

Good developers like seeing their products sell in large quantities. They enjoy the competition of doing a better job than the other company, especially if the other company has more people on the project and they're entrenched and people are saying that we don't have a chance of getting in there and... and doing well.

Personally, I'd like to see more of our leaders take a technocratic approach to solving our biggest problems.

Banking is necessary - banks are not.