《北史·列传·卷四十七》
宇文泰护卫魏太子西巡到达原州，住在李贤的家里，宾主互相谦让，按年纪大小作为排列次序，并按当地的礼节饮酒。
周文之奉魏太子西巡，至原州，遂幸贤第，让齿而坐，行乡饮酒礼。
Yu Wentai escorted the Crown Prince of Wei on a westward expedition to Yuanzhou and stayed at Li Xian's house. The host and guest were modest with each other, arranged the order of precedence according to age, and drank according to local etiquette.