Time is dead as long as it is being clicked off by little wheels; only when the clock stops does time come to life.

资本资产定价模型（CAPM）是理解风险-回报权衡的有用工具，但它并非对现实的完美描述。

聪明用在正道上，越聪明越好，文采名声会帮助他事业渐进；聪明用在邪路上，越聪明越坏，文才名声只助长其伪诈丑行。