邪恶胜利的唯一必要条件是好人的无所作为。

When words leave off, music begins.

I wanted to create something that would make athletes better, and I wanted to build the best product in the world.

The best fiction is about the things that scare us the most.

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。