That's my lesson for taking a vacation: vacation will kill you.

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.

He wondered fleetingly how many people who sat alone for hours as they scribbled their stories practiced talking about their work during their coffee breaks....

Sometimes in life you just have to take a leap of faith.

Sometimes our wants or needs have nothing to do with being ungrateful and everything to do with making a mistake.

F***ing triffids.

Let silence be your general rule; or say only what is necessary and in few words.

I'm just rich. I own businesses and I love it.

But I mean, even my family gets spoiled at times watching me doing things that I do, on and off the court.

Once a depressed person becomes active and hopeful, self-esteem always improves. Bolstering self-esteem without changing hopelessness, without changing passivity, accomplishes nothing.

The question of naturalism is a fallacy, it does not exist... The photographic image replaces naturalistic experience.

The true Church of England, at this moment, lies in the Editors of the newspapers.