相传唐朝武则天时期,朝廷里有个监察御史叫李余。一次,仓官小吏给他送来廪米(按期发给官员的粮食),李余发现多了三斛。他让小吏收回多给的廪米,小吏不肯,说这是仓官吩咐的,不敢违拗。没办法,李余只好说“下不为例”。没想到,李母对此感到非常恼怒,严厉地斥责了李余:“岂能下不为例!身为考察监督百官之官吏,自己假公济私,滥用特权,怎么能担负监察之任?又如何正人纲纪?”一席话说得李余面红耳赤,他于当夜赶写出了自劾状,并揭发了仓官滥送廪米讨 Legend has it that the Tang Dynasty Empress Wu Zetian, the court there is a monitoring censor called Li Yu. Once, warehouse official sent to him Xiao Mi (delivery of official food), Li Yu found three more. He let Xiao Li retrieve more than give rice, small officials refused, saying that this is the warehouse officer commanded, not defaulted. No way, Li Yu had to say “Under no means ”. Unexpectedly, Li mother was very angry with this and severely reprimanded Li Yu: "How can we not go down as an example? As the inspectors and officials who supervise and administer public service, they can not afford to abuse their privileges, Saying that Lee was flushed with red ink, he wrote a self-sucking note that night and uncovered a lot of complaints