We need to figure out how to have the things we love, and not destroy the world.

Really, the only thing that makes sense is to strive for greater collective enlightenment.

Facebook is quite entrenched and has a network effect. It's hard to break into a network once it's formed.

If you're trying to create a company, it's like baking a cake. You have to have all the ingredients in the right proportion.

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 extension of life beyond Earth is the most important thing we can do as a species.

The future of humanity is going to bifurcate in two directions: Either it's going to become multiplanetary, or it's going to remain confined to one planet and eventually there's going to be an extinction event.