That's exhilarating if you're doing well, and very crushing if you're not. It leads, in the worst cases -- in the analysis of a sociologist like Emil Durkheim -- it leads to increased rates of suicide. There are more suicides in developed, individualistic countries than in any other part of the world. And some of the reason for that is that people take what happens to them extremely personally -- they own their success, but they also own their failure.

做出伟大工作的唯一途径是热爱你所做的事情。

The great man is a public misfortune.

Small changes can have big effects when they help people break out of the poverty trap.

The value of a network is proportional to the square of the number of connected users of the system.