书籍是最安静且最恒久的朋友。

The value of an economic model lies in its ability to explain and predict.

"Every man is a piece of the continent, a part of the main."

We live in a world of shadows, and what we call reality is only the shadow of a shadow.

一个人首先是物质的东西，容易撕裂，不容易修补。

材料选择艺术家，正如艺术家选择材料。

也许我们能期望的最好结果，就是带着正确的遗憾结束。