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.

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

Big data will replace the need for 80% of all doctors

There are parts of the country in America, in the Midwest, where wind is a big resource, and we should absolutely use it. But to try and apply it nationally doesn't make sense. There are technologies that will work that are appropriate to certain regions.

Electric cars are coal-powered cars. Their carbon emissions can be worse than gasoline-powered cars.

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.

Communication always changes society, and society was always organized around communication channels. Two hundred years ago it was mostly rivers. It was sea-lanes and mountain passes. The Internet is another form of communication and commerce. And society organizes around the channels.