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

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.

Nothing is so strong as gentleness. Nothing is so gentle as real strength.

Younger guys are just too jealous

I just want to make different movies. I want them to be things that I care about and not to repeat myself.

Silence is the deadliest weapon of mass destruction.

[Bill Clinton] approved NAFTA, which is the single worst trade deal ever approved in this country.

The persecution of the innovator and protestant has always been inspired by fear on the part of constituted authority of having its infallibility questioned and its power undermined.

I think it's important for us to allow ourselves to be in creative bubble when you really need to finish something. You can always re enter the world after, once you feel like you're done with it.

When he [Joe Lewis] was asked upon his retirement about his long career, Joe sweetly summed it up in just ten words. 'I did the best I could with what I had'.

Resistance is experienced as fear; the degree of fear equates to the strength of Resistance.

I had done some TV movies that were great experiences but, no, I wasn't looking to do a series.