What nerds miss is that it takes hard work to make sales look easy.

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.

Technology is probably the single biggest driver of productivity gains for the developed countries. For example, I think it's much more important than free trade.

Every university…seem[s] to reassure you that ‘it doesn’t matter what you do, as long as you do it well.’ That is completely false. It does matter what you do. You should focus relentlessly at something you’re good at doing, but before that you must think hard about whether it will be valuable in the future.

A true bubble is when something is overvalued and intensely believed.

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.

I think China thinks information technology is less important than we think it is in the US, economically, and more important politically. And so Chinese internet companies are extremely political, they're protected behind the great firewall of China, and investment in Alibaba is good as long as Jack Ma stays in the good graces of the Chinese communist party. Alibaba is largely copying various business models from the US; they have combined some things in interesting new ways, but I think it's fundamentally a business that works because of the political protection you get in China.