《太平广记·卷一百三十八·征应四》
文昌以前替韦皋办事奉命去长安，一向和刘禹锡交情很深，这时刘禹锡做礼部员外，正和会占卜的人闲谈，文昌就进去请见。
先时为皋奉使入长安，素与刘禹锡深交。禹锡时为礼部员外，方与日者从容，文昌入谒，日者匿于箔下。
In the past, when Wenchang had served Wei Gao, he had been sent by him to Chang'an. At this time, Liu Yuxi was working as an associate in the Ministry of Rites and was having an idle conversation with someone who understood divination. Wenchang went in to ask to see him.