Oil replacements and then efficiencies in engines and housing and the way we build houses is a very interesting market.

The first rule of venture capitalism is hands-on experience. You have to get your hands dirty.

I believe cellulosic fuels, biofuels made from nonfood crops are the only solution that will make a difference.

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.

There's no doubt in my mind over the next 25 years how we drive, how we build our houses, how we fly, how we build our buildings, will all change.

In the next 10 years, data science and software will do more for medicine than all of the biological sciences together.

If everyone played it safe, we wouldn't get anywhere.