《明史·列传·卷八十四》
严嵩探知世宗的心思，坚持请求，世宗就说道 ：礼乐之事，当然可以出自天子。 
嵩知帝指，固以请，帝乃曰： 礼乐自天子出可也。 
When Yan Song found out the emperor’s thoughts, he insisted on his request. Emperor Shizong then said: "Rites and music can certainly come from the emperor himself.