预测未来的最好方法就是创造未来。
In the labyrinth of Beirut, we find both our past and our future.
When given the choice between being right or being kind,choose kind.
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。