The capital asset pricing model was not intended to be a positive theory of equilibrium in capital markets, but rather a normative theory of how prices should behave if investors acted in a certain way.
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。
It is vain to talk of the interest of the community， without understanding what is the interest of the individual.
科学进步的关键是坚持和开放的心态。
选择朋友要慢，改换朋友要更慢。
The only power is the power to say no.
I’d rather be respected than liked.
The ethical debate around CRISPR is as important as the science itself.