《后汉书·列传·马援列传》
属官们有时谈到外面的事，马援总是说： 这是长史、掾史们的任务，不用告诉我。
诸曹时白外事，援辄曰： 此丞、掾之任，何足相烦。
Subordinate officials sometimes talked about external matters, and Ma Yuan always replied: this is the job of the chief clerk and the clerk, don't tell me.