Education is not just about building schools, but about ensuring children actually learn.

It is greed to do all the talking but not to want others to do the talking after one has listened.

当事人应置身于利害之外，提出倡议的人则应设身于利害之中，才能知道利害得失。

写下那些不该被遗忘的事。

 劳动分工受市场规模的限制。