The only way you multiply resources is with technology. To really affect poverty, energy, health, education, or anything else - there is no other way.

I've probably failed more often than anybody else in Silicon Valley. Those don't matter. I don't remember the failures. You remember the big successes.

What an entrepreneur does is to build for the long run. If the market is great, you get all of the resources you can. You build to it. But a good entrepreneur is always prepared to throttle back, put on the brakes, and if the world changes, adapt to the world.

Religion asks you to believe things without questioning, and technology and science always encourage you to ask hard questions and why it is important in science and technology. So I was always interested in science and technology.

I'm not a political person. I'm a techie nerd, and I enjoy the techie part. I mean, all my life, I've loved great technology.

Photovoltaics are a great technology for certain applications, and, in fact, we invest in photovoltaic technologies. But they're not good substitutes for grid electricity.