"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

The future of paper is not about replacing digital; it's about coexisting and enhancing each other.

Labor economics is fundamentally about understanding people’s choices and constraints.

不光染丝是这样,国家也会被染。

不自重自爱便自取其辱，没有畏惧心的人招致灾祸；不自我满足的人受到裨益，不自以为是的人见多识广。