有些人特别善于了解自己的知识极限，因为他们必须这样做。

The key to successful investing is to have a clear understanding of the risks and rewards, a disciplined approach, a long-term perspective, and a strong understanding of the fundamentals.

The most important skill for an economist is the ability to think clearly about trade-offs.

Don’t tell me the moon is shining, show me the glint of light on broken glass.