《旧五代史·后汉·隐帝纪下》
高祖征伐邺城时，一天，隐帝对郭威说 ：我夜里梦见你变为驴子，背着我上天，在离开你后，你立刻变为龙，丢下我南去，这是什么征兆呢？ 
高祖之征鄴城也，一日，帝语太祖曰： 我夜来梦尔为驴，负我升天，既舍尔，俄变为龙，舍我南去，是何祥也？ 
When Gaozu was conquering Yecheng, one day Emperor Yin said to Guo Wei, "Last night, I dreamt that you turned into a donkey and carried me up to the heavens. After I left you, you immediately transformed into a dragon and flew south, leaving me behind. What does this mean?"