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.

Mathematics is the art of giving the same name to different things.

凯尔特人与大自然有着密切的联系。

Short-term gains should never compromise long-term sustainability.

真正的革命者是由伟大的爱所引导的。