Don't be afraid of new arenas.

In almost any industry, if you're passionate about doing a great job and making people that buy your product or service as happy as possible, it's really fulfilling.

Entrepreneurship is like eating glass and walking on hot coals at the same time

I think it's important to reason from first principles rather than by analogy. The normal way we conduct our lives is we reason by analogy. [With analogy] we are doing this because it's like something else that was done, or it is like what other people are doing. [With first principles] you boil things down to the most fundamental truths…and then reason up from there.

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.

I think long term you can see Tesla establishing factories in Europe, in other parts of the U.S. and in Asia.

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.