数学中最深刻的思想往往源于最简单的观察。

资本资产定价模型并非旨在成为资本市场的实证均衡理论，而是一种规范性理论，描述如果投资者以某种方式行事，价格应如何表现。

Quality is not a assurance; it is a proof.

"A man’s work is nothing but this slow trek to rediscover, through the detours of art, those two or three great and simple images in whose presence his heart first opened."

I can't say I'm outraged. Other people are even more outraged than me. They feel that I am too dismissive of the honors that they value.