In my view, it’s irreverence, foolish confidence and naivety combined with persistence, open mindedness and a continual ability to learn that created Facebook, Google, Yahoo, eBay, Microsoft, Apple, Juniper, AOL, Sun Microsystems and others.

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.

Your cellphone has 10 sensors, and your car has 400. But your body has none - that's going to change.

Everybody else is afraid to fail. I do not really care because when I fail, I try something new.

Will biofuel usage require land? Absolutely, but we think the ability to use winter cover crops, degraded land, as well as using sources such as organic waste, sewage, and forest waste means that actual land usage will be limited. Just these sources can replace most of our imported oil by 2030 without touching new land.

Future is not extrapolation of past

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.