I think it matters whether someone has a good heart.

I always see what’s... wrong. Would you want that? When I see a car or a rocket or spacecraft, I only see what’s wrong. I never see what’s right. It’s not a recipe for happiness.

Being an entrepreneur is like eating glass and staring into the abyss of death.

The reality is gas prices should be much more expensive then they are because we're not incorporating the true damage to the environment and the hidden costs of mining oil and transporting it to the U.S. Whenever you have an unpriced externality, you have a bit of a market failure, to the degree that eternality remains unpriced.

The rumours of the demise of the U.S. manufacturing industry are greatly exaggerated.

My motivation for all my companies has been to be involved in something that I thought would have a significant impact on the world.

Going from PayPal, I thought: 'Well, what are some of the other problems that are likely to most affect the future of humanity?' Not from the perspective, 'What's the best way to make money?'