《论衡·卷二十二·纪妖篇》
人和蛇是不同的物类，而他们的父亲都是五帝之一同为天神，这不符合天道。
人与蛇异物，而其为帝同神，非天道也。
Humans and snakes are different things, but their fathers are all one of the Five Emperors and gods, which does not conform to the way of heaven.