The law isn't justice. It's a very imperfect mechanism. If you press exactly the right buttons and are also lucky, justice may show up in the answer.

人是唯一需要教育的造物。

——《民权初步》序

最终，我们记住的不是敌人的话语，而是朋友的沉默。

The computer is incredibly fast, accurate, and stupid. Man is unbelievably slow, inaccurate, and brilliant. The marriage of the two is a force beyond calculation.

解释：看到兔子再回头唤猎狗，还不算太晚；跑掉了羊再去修补羊圈，也不算太迟。

把守外海不如把守海口，把守海口不如把守内海。