I’m a firm believer in the theory that you only get out what you put in.

The poem is an act of the mind, not a transcription of the world.

Children have never been very good at listening to their elders, but they have never failed to imitate them.

宏观是我们必须接受的，微观才是我们能有所作为的。

可持续性还不够——我们需要再生。