《新唐书·列传·卷四十九》
做儿子的在哀痛极了时未能考虑到以礼自制，所以圣人制定齐、斩、纟思、免等居丧的礼规，对亡者的衣衾棺椁，各有一定度数。
人子于哀迷则未遑以礼自制，故圣人制齐、斩、缌、免，衣衾棺郭，各有度数。
When a son is extremely distressed, he fails to consider keeping himself for the sake of the ritual. Therefore, the sages formulated the funeral rules of Qi, Zhan, Jiansi, and Mian, each with a certain degree of clothing, coffin and coffin for the deceased.