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。

我不想被记住，我想让人无法忘记。

The pace of change demands agility—both in thought and action.

Freedom of men under government is to have a standing rule to live by, common to everyone, and not to be subject to the inconstant, uncertain, arbitrary will of another man.

Mental activity is always directed toward some end.