The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

Collaboration is essential in research; no one can solve big problems alone.

种一棵树最好的时间是20年前，第二好的时间是现在。

"Every city has its own secret rhythm, and those who listen can hear its stories."

如果你收养了一只饥饿可怜的狗，并且让它舒适顺利，它将不会咬你，这便是一个人与一只狗之间最主要的差别。