我不是说唱歌手，我是一个神。

"The past is never dead. It's not even past."

最具挑战性的时期往往揭示了转型的最大机遇。

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.

在代数中，两个量的相等性通过方程来表达。