Land on Mars, a round-trip ticket - half a million dollars. It can be done.

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.

A love for tradition has never weakened a nation, indeed it has strengthened nations in their hour of peril.

To label myself is similar to thinking that I can come up with a single phrase to explain the universe.

It is a curiosity of writing about angels that, very often, one turns out to be writing about men.

Your diet is a bank account. Good food choices are good investments.

Every single thing you've been through in your life has had a purpose.

In a world of injustice there's going to be dreams of justice.

I am a little god! Critics, be gone!

In acrylics, what you lose on the straights you make up for on the corners.

A fastidious taste is like a squeamish appetite; the one has its origin in some disease of the mind, as the other has in some ailment of the stomach.

With the most interesting directors, the cast comes together to make something magical that nobody counted on.