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

伟大的公司建立在伟大的文化之上，而不仅仅是伟大的产品。

学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。

Many leaders of big organizations, I think, don’t believe that change is possible. But if you look at history, things do change, and if your business is static, you’re likely to have issues.