《论衡·卷十·非韩篇》
儒者活在世上，就是维护礼义的原有堤防，有他们看来没有好处，但要没有他们就会带来损害。
儒者之在世，礼义之旧防也，有之无益，无之有损。
Confucian scholars live in the world to maintain the original embankment of etiquette and righteousness. In their view, it is not beneficial, but if there is no one, it will bring harm.