We need to be super careful with AI. Potentially more dangerous than nukes.

We're running the most dangerous experiment in history right now, which is to see how much carbon dioxide the atmosphere can handle before there is an environmental catastrophe.

I think it is possible for ordinary people to choose to be extraordinary.

I tend to approach things from a physics framework. And physics teaches you to reason from first principles rather than by analogy.

It is a mistake to hire huge numbers of people to get a complicated job done. Numbers will never compensate for talent in getting the right answer (two people who don't know something are no better than one), will tend to slow down progress, and will make the task incredibly expensive.

Starting and growing a business is as much about the innovation, drive and determination of the people who do it as it is about the product they sell.

There's nothing - I've bought everything I want. I don't like yachts or anything; you know, I'm not a yacht person, and I've got pretty much the nicest plane I'd want to have.