《礼记·檀弓下》
宋国正是做到了这一点，所以育岂但是晋国不敢欺负宋国，普天之下也找不出一个敢和宋国为敌的国家。 办鲁庄公的丧事时，下葬以后，阂公就除去了孝服，吉服返回宫内，正君臣之位，以防权臣继续作乱。
鲁庄公之丧，既葬，而绖不入库门。士、大夫既卒哭，麻不入。
Song State did just that, so not only did Jin State not dare to bully Song State, but there was not a single state under heaven that dared to be an enemy of Song State. When Duke Zhuang of Lu was buried, Duke Yin removed his mourning clothes after the burial, put on his auspicious clothes and returned to the palace, taking up the position of ruler to prevent the powerful ministers from continuing to cause chaos.