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 state of healthcare today is that we are busy in the practice of medicine vs. being in the science of medicine.

No one will pay you to solve a non-problem.

Every big problem is a big opportunity.

The world is hung up on food-based biofuels. Not only are they the wrong thing, they're the uneconomic thing.

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