《太平广记·卷二百八十四·幻术一》
道士说：你可以去看她，但是如果听见鼓声，你必须立即出来，不要停留。
道人曰：卿可往见之。若闻鼓声，即出勿留。
The Taoist priest said, "You can go and see her, but if you hear the sound of a drum, you must come out immediately and do not linger."