I think it's very important to have a feedback loop, where you're constantly thinking about what you've done and how you could be doing it better.

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.

Whenever you feel exhausted, take time to relax, refresh and recharge.

Cooking is 80 percent confidence, a skill best acquired starting from when the apron strings wrap around you twice.

Giving is only one-half of the law of increase. Receiving is the other half. We can give and give but we may unbalance the law unless we also expect to receive.

Progress in civilization has been accompanied by progress in cookery.

We stand in life at midnight; we are always at the threshold of a new dawn.

I am convinced that companies should put staff first, customers second and shareholders third - ultimately that's in the best interest of customers and shareholders.

I'm trying to read more dead people because I keep having to read stuff for juries and so forth.

There is nothing so loathsome as a sentimental surrealist.

I didn't have outstanding numbers coming out of college and I'm not 6'6 with 230 lbs.