《左传·襄公·襄公二十七年》
伯有赋《鹑之贲贲》这首诗。赵文子说： 床上的话不出门槛，何况在野外呢？
伯有赋《鹑之贲贲》，赵孟曰： 床笫之言不逾阈，况在野乎？
Bo You recited the poem "The Spotted Quail". Zhao Wenzhi said: "What is spoken in bed should not exceed the threshold, let alone in the countryside?"