The United States is definitely ahead in culture of innovation. If someone wants to accomplish great things, there is no better place than the U.S.

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.

Having money isn't everything, not having it is.

One cannot manage too many affairs: like pumpkins in the water one pops up while you try to hold down the other.

The strength of a civilization is not measured by its ability to fight wars, but rather by its ability to prevent them.

Hide them all, then. Keep her – them – safe. Please.' And what will you give me in return, Severus?' In – in return? Anything.

One simple rule: no amnesty, no special pathway to citizenship.

Never say never - I certainly have those dreams, and I hope that it happens at some point,I hope I get to see those stage lights.

The perfect way is only difficult for those who pick and choose. Do not like, do not dislike; all will then be clear.

Most men, after a little freedom, have preferred authority with the consoling assurances and the economy of effort it brings.

Ever let the Fancy roam, Pleasure never is at home.

The six people who had the biggest impact on my life were all women. Had I been sexist, my life would have been far less fulfilling.