But these men revile whatever they do not understand, and by those things that they know by instinct as irrational animals do, they are destroyed.
οὗτοι δὲ ὅσα μὲν οὐκ οἴδασιν βλασφημοῦσιν, ὅσα δὲ φυσικῶς ὡς τὰ ἄλογα ζῷα ἐπίστανται, ἐν τούτοις φθείρονται.
Haydock Catholic Bible Commentary: Jude
These men blaspheme whatsoever things they know not, as it is the custom of false and ignorant teachers: and as to things which they know by their senses, in these they are corrupted, following, like brute beasts, their natural lusts and appetites. Wi.