《容斋随笔·卷九·古人无忌讳》
杜氏家人进入夜殿却不敢哭，季武子让他们哭。曾子跟客人站立在大门旁边，他有个弟子父亲死了，想出门到巷中哭悼，曾子说： 回去到你的住处哭吧。 
曾子与客立于门侧，其徒有父死，将出哭于巷者，曾子曰： 反，哭于尔次。 
The Du family entered the night palace but they did not dare to cry, Ji Wushu asked them to cry. Zeng Zi stood beside the door with the guest, one of his disciples' father died, wanted to go out to the alley to cry and mourn, Zeng Zi said: Go back to your residence and cry.