《太平广记·卷一百四十六·定数一》
等到皇帝登基坐殿时王显千万拜见，趁机上奏说： 我现在可以作茧吗？ 
及帝登极而显谒，因奏曰： 臣今日得作茧耶？ 
When the emperor ascended to the throne and sat in the palace, Wang Xian came to pay homage and took the opportunity to report: "May I become a silkworm now?"