The capital asset pricing model was not intended to be a positive theory of what investors actually do, but rather a normative theory of what rational investors should do.
资本资产定价模型并非旨在描述投资者实际行为的实证理论，而是关于理性投资者应如何行事的规范理论。
If you think you’re the best, you’ll never be the best.
The writer's task is not to judge, but to understand.
理论洞察可以带来实际突破，弥合抽象思想与现实应用之间的差距。
诗歌不是一个封闭的领域，而是一个开放的领域，读者被邀请进入。
I decline to accept the end of man.
