Constantly seek criticism. A well thought out critique of what you're doing is as valuable as gold

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.

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.

Life is too short for long-term grudges.

The soul is steady just waiting to be fedand to blossom.

The moon is your reminder that God is never-changing, and you can always depend on Him to hear your prayers.

George W. Bush attended the intelligence briefing every day. Obama has not even attended half of them. He sends surrogates. That to me is significant.

You just want to try a bunch of stuff, because you don't know what's going to be great.

Because - oh shut up laughing, you two - because they've just been turned down by girls they asked to the ball!

Welcome to Anaheim, California, my fellow broken-down, washed-up wrestler.

Whenever people open their hearts to God in some way, the Lord wants to do something good. Even if it just got scheduled randomly for that day, I'm sure [Pope Francis] sees significance in that.

The night before the Nobel announcement every year, I've gone to bed feeling quite anxious. I was optimistic, and also I knew it might never happen.