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All the great things are simple， and many can be expressed in a single word： freedom， justice， honor， duty， mercy， hope.
(Physics is) a good framework for thinking....Boil things down to their fundamental truths and reason up from there.
I wouldn’t say I have a lack of fear.In fact， I’d like my fear emotion to be less because it’s very distracting and fries my nervous system.
I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.
When something is important enough， you do it even if the odds are not in your favor.
When I was in college， I wanted to be involved in things that would change the world.
I think that’s the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.
On morals: "The one thing that offends me the most is when I walk by a bank and see ads trying to convince people to take out second mortgages on their home so they can go on vacation. That's approaching evil."
On motivation: "I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you."
On haters: "If you never want to be criticized， for goodness' sake don't do anything new."
I have always believed that technology should do the hard work – discovery, organization, communication – so users can do what makes them happiest: living and loving, not messing with annoying computers! That means making our products work together seamlessly.
I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.
We have a mantra: don’t be evil, which is to do the best things we know how for our users, for our customers, for everyone. So I think if we were known for that, it would be a wonderful thing.
I do think there is an important artistic component in what we do. As a technology company I’ve tried to really stress that.
What is the one sentence summary of how you change the world? Always work hard on something uncomfortably exciting!
If you ask an economist what’s driven economic growth, it’s been major advances in things that mattered – the mechanization of farming, mass manufacturing, things like that. The problem is, our society is not organized around doing that.