出自汉·桓宽《盐铁论·申韩》。善于治理国家的人，一发现弊病就立即补救，一看到漏洞就立即堵塞。
银河系的黑洞是我们研究极端引力的最近实验室。
Monetary policy is 98% talk and 2% action.
The detective story is the normal recreation of noble minds.
Disaster relief architecture must be simple enough for victims to build themselves.
我们学得越多，就越意识到自己的无知。
The absence of alternatives clears the mind marvelously.