《太平广记·卷四百四十九·狐三》
这人与天府已经有来往，单会写符念咒的法术，不能把他怎么样。
此人与天曹已通，符禁之术，无可奈何。
This person has already had some dealings with Tianfu. He just knows how to draw symbols and chant mantras. Nothing can be done about him.