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

Is it 10 years, 20, 50 before we reach that tipping point where climate change becomes irreversible? Nobody can know. There's clearly a probability distribution. We need to ensure this planet, and we need to do it quickly.

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

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.

The willingness to fail gives us the freedom to succeed.

The right way to build a company is to experiment in lots of small ways, so that you have plenty of room to make mistakes and change strategies.