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.

Probably the most extreme form of inequality is between people who are alive and people who are dead.

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.

When you are starting a new business you don't want to go after giant markets. You want to go after small markets and take over those markets quickly.

If you think your initial market might be too big, it almost certainly is.

I do tend to think that things that have incredibly long time horizons often do involve market failures.

Rivalry causes us to overemphasize old opportunities and slavishly copy what has worked in the past.