It doesn't matter what your probability of failure is. If there's a 90% chance of failure, there's a 10% chance of changing the world.

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

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.

Seeking an acquisition from the start is more than just bad advice for an entrepreneur. For the entrepreneur it leads to short term tactical decisions rather than company-building decisions and in my view often reduces the probability of success.

I generally disagree with most of the very high margin opportunities. Why? Because it's a business strategy tradeoff: the lower the margin you take, the faster you grow.

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

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