Anyone who prefers owning part of your company to being paid in cash reveals a preference for the long term and a commitment to increasing your company's value in the future.

I no longer believe that freedom and democracy are compatible.

But the indeterminate future is somehow one in which probability and statistics are the dominant modality for making sense of the world. Bell curves and random walks define what the future is going to look like. The standard pedagogical argument is that high schools should get rid of calculus and replace it with statistics, which is really important and actually useful. There has been a powerful shift toward the idea that statistical ways of thinking are going to drive the future.

There are still many large white spaces on the map of human knowledge. You can go discover them. So do it. Get out there and fill in the blank spaces. Every single moment is a possibility to go to these new places and explore them.

Of the six people who started PayPal, four had built bombs in high school.

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.

The most successful businesses have an idea for the future that's very different from the present.