The best entrepreneurs know this: every great business is built around a secret that’s hidden from the outside. A great company is a conspiracy to change the world; when you share your secret, the recipient becomes a fellow conspirator.

If the slogan for Google is 'Don't be evil', then the slogan for Uber is 'Do a little bit of evil & don't get caught.'

I do think Bitcoin is the first [encrypted money] that has the potential to do something like change the world.

I think anything that requires real global breakthroughs requires a degree of intensity and sustained effort that cannot be done part time, so it's something you have to do around the clock, and that doesn't compute with our existing educational system.

Everybody has a product to sell—no matter whether you’re an employee, a founder, or an investor. It’s true even if your company consists of just you and your computer. Look around. If you don’t see any salespeople, you’re the salesperson.

There's been a lot companies that have shown "zero to one" kind of growth in the computer, internet software age. Facebook and Google are zero to one companies. Apple's iPhone was the first smartphone that really works, and of course, then you scale it horizontally, but the vertical component was really critical. Space X would also be one.

The most contrarian thing of all is not to oppose the crowd but to think for yourself.