《汉书·传·外戚传上》
武帝巡游经过河间，善于观看云气的人说这裹有奇特的女子，武帝派人召她前来。
武帝巡狩过河间，望气者言此有奇女，天子亟使使召之。
When Emperor Wu made a tour of Hejian, a man who could forecast the outcome from the patterns of the clouds said that there was an extraordinary woman there. Emperor Wu sent for her.