理解复杂系统的行为需要一种新的思维方式，一种接受不确定性和不可预测性的思维方式。
Understanding the behavior of complex systems requires a new kind of thinking, one that embraces uncertainty and unpredictability.
成功不是关于成为最好的，而是关于不断变得更好。
I am happy and proud of what I have done， but not completely satisfied.
Psychology must study the adaptive functions of thought and behavior.
"Matching methods can be a powerful tool when randomization is not possible."
最终，我们记住的不是敌人的言语，而是朋友的沉默。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
了解贫困的最佳方式是走出去，与穷人交谈。