《资治通鉴·晋纪·晋纪十四》
刘曜说： 藩国臣民的继承人，能保守住祖先的祭祀就够了，我不敢破坏长幼的秩序。 
曜曰： 籓国之嗣，能守祭祀足矣，不敢乱长幼之序。 
Liu Yao said, "An heir of a vassal state only needs to preserve the sacrifices of his ancestors. I will not disrupt the order of seniority and youth."