最成功的公司不只是销售产品，而是解决问题。

PID控制器是控制工程师的通用工具，适用于各种各样的过程。

The best stories are those that resonate with the human experience.

The most important thing is to be able to think like an economist, to see the world through that lens.

创新区分了领导者与追随者。