《孔子家语·问礼》
以前的贤明君主就是这样讲礼节的。 鲁哀公问： 如今的君主为什么没有人这样做了呢？ 
古之明王行礼也如此。 公曰： 今之君子胡莫之行也？ 
Such was the way in which the wise rulers of the past observed ritual. Duke Ai of Lu asked, "Why is it that none of the rulers of today observe ritual in this way?"