If something's important enough, you should try. Even if you - the probable outcome is failure.

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.

The personality is determined by a variety of interventions that enter the head like big symbolic flags in the conquered soil which seldom knows its defeat.

They ought to bury people in hospitals and let sick people get well in the cemeteries.

Self-respect--the secure feeling that no one, as yet, is suspicious.

I thought I might write mysteries for the rest of my life.

The man who gets the most out of life is not the one who has lived it longest, but the one who has felt life most deeply.

Money plays the largest part in determining the course of history.

There's always been something illicit about the way I work. I'm photographing people I don't know, when nobody else is home - there's a necessary degree of secrecy.

Libraries are the torch of the world, illuminating the path when it feels too dark to see. We mustn't allow that torch to be extinguished.

A beguiling lady doesn't take after the swarm. She is herself.

Remember to play after every storm.