Nobody wants to buy a $60, 000 electric Civic. But people will pay $90, 000 for an electric sports car.

Failure is an option here. If things are not failing, you are not innovating enough.

When something is important enough, you do it even if the odds are not in your favor.

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

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

I'm extremely confident that solar will be at least a plurality of power, and most likely a majority... in less than 20 years.

Constantly seek criticism. A well thought out critique of what you're doing is as valuable as gold

Optimism, pessimism, f**k that; we're going to make it happen. As God is my bloody witness, I'm hell-bent on making it work.

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

Mars is the only place in the solar system where it's possible for life to become multi-planetarian.

My mentality is that of a samurai. I would rather commit seppuku than fail.

There is no literature anymore, there are just single books that arrive in bookstores, just as letters, newspapers, advertising pamphlets arrive in mailboxes.

A friend is a family.

Banks have a new image. Now you have 'a friend,' your friendly banker. If the banks are so friendly, how come they chain down the pens?

The only person who fears nothing is one who has nothing to lose.

Everything kills you, you're dying everyday. You're either dying everyday or you're living every day and I'm living everyday.

It is much easier to make measurements than to know exactly what you are measuring

The friendships of the world are oft confederacies in vice, or leagues of pleasures.

Judgment is easy: it is black and white, as brutal as a gavel strike.

Angels are not merely forms of extraterrestrial intelligence. They are forms of extra-cosmic intelligence.

There is no more Palestine. Finished...