Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.
There is no shortcut in science, only down-to-earth work.
The effects of policy changes are often more nuanced than simple economic models suggest.
天下没有不能教化的人,就害怕不诚心;天下没有不能干成的事,就怕立志不坚定。
学校必须是一个让孩子学会做他不愿意做的事情的地方,这样他长大后才能做他想做的事情。
"To live is the rarest thing in the world. Most people exist, that is all."