你必须度过一些糟糕的日子才能赢得人生中最美好的日子。
政策变化的影响往往比简单的经济模型所暗示的更为微妙。
The most important part of teaching is to teach what it is to know.
I don't want to be a product of my environment. I want my environment to be a product of me.
心理生活是一个整体这一普遍说法可以被接受为真,但它并没有太大帮助。