Quality over quantity.

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.

The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.

对认可的渴望，灵魂中的激情部分，是推动人类历史的力量。