资本资产定价模型（CAPM）是理解风险-回报权衡的有用工具，但它远非完美。

To be an artist is to be forever curious, forever searching for new ways to see the world.

农业创新必须同时解决数量和质量问题。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

我们生活在一个过去总是存在的世界。

应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。