There are many more secrets in the world that are waiting to be found. The question of how many secrets exist in our world is roughly equivalent to how many startups people should start.

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.

The idea of becoming an entrepreneur is something that is not taught very well in school and is something that people should try to do earlier on.

As an investor-entrepreneur, I’ve always tried to be contrarian, to go against the crowd, to identify opportunities in places where people are not looking.

In the U.S., we fundamentally need to do new things, which I think is harder for the government to do. And moreover, it is not something our government actually is inclined to particularly do.

I think somehow people should be encouraged to think about a very long time horizon and I think this is true for businesses, it's true for governments and it's true for people doing things in the non-profit sector.

We need more pessimism that the future might be a lot worse, and we need more optimism that the future might be better.