《后汉书·列传·卓鲁魏刘列传》
不久，认牛的人找到了自己失去的牛而送还刘宽的牛，叩头谢罪说； 愧对长者，愿接受你对我的处罚。 
有顷，认者得牛而送还，叩头谢曰： 惭负长者，随所刑罪。 
Soon after, the real owner found his lost cow and brought it to Liu Kuan while kowtowing and apologizing, saying: "I feel ashamed before the elder and I am willing to accept any punishment you impose."