瑜伽師地論略纂 11.52

11.52

Regarding the treatise's explanation of mutual opposition through enmity, saying, "namely, venomous serpents, weasels, cats, and mice": here, these are enemies to one another, extending to mice conversely frightening venomous serpents; thus in this sequence they are mutually enemies, and when they see each other, they have no goodwill.