《太平广记·卷二十二·神仙二十二》
如果你学尽我的道术，必将揣着玉玺走进别人家，被困在平常人的服饰之中。 
若尽臣术，必怀玺入人家，困于鱼服矣。 
If you finish learning my magic, you will definitely walk into other people's homes with the jade seal, and be trapped in ordinary people's clothes.