The debt austerity would not be problems if we had technological progress. If you doubled the debt in the U.S., and the size of the economy doubled because of technological progress and growth, the two would roughly cancel out and it would all be a totally manageable situation.

We might describe our world as having retail sanity, but wholesale madness.

Forget startup companies. The next frontier is startup countries.

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.'

Higher education is the place where people who had big plans in high school get stuck in fierce rivalries with equally smart peers over conventional careers like management consulting and investment banking. For the privilege of being turned into conformists, students (or their families) pay hundreds of thousands of dollars in skyrocketing tuition that continues to outpace inflation. Why are we doing this to ourselves?

When you already have $150 billion a year in revenues from the iPhone, it's very hard to come up with any new vertical that will sort of move the dial. And there's this sort of weird effect where the larger a company gets, the harder it is to come up with any new product that really moves the dial.

Our economy is broken. I'm not a politician, but neither is Donald Trump. He is a builder, and it's time to rebuild America.