《宋史·列传·卷四十一》
王旦为天书使，每有大礼，就奉天书以行事，常常悒悒不乐。
旦为天书使，每有大礼，辄奉天书以行，恒邑邑不乐。
Wang Dan was an envoy for the imperial book. He would often follow the imperial book during important ceremonies, but often felt uneasy and unhappy.