资本资产定价模型（CAPM）是理解风险-回报权衡的有用工具，但它并非对现实的完美描述。

Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.

我在想，革命是不朽的。

I think it's important to stay true to the source material, but also to bring your own vision to it.

成功是一种心态。如果你想成功，就要开始把自己看作一个成功者。