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

People should pursue what they're passionate about. That will make them happier than pretty much anything else.

I think that's an important thing to do, to really pay attention to negative feedback, and solicit it, particularly from friends. This may sound like simple advice, but hardly anyone does that, and it's incredibly helpful.

You need to live in a dome initially but over time you could terraform Mars to look like Earth and eventually walk around outside without anything on. ... So it's a fixer-upper of a planet.

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

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 primary means of energy generation is going to solar. It will at least be a plurality, and probably be a slight majority in the long term.