King James Version
But these speak evil of those things which they know not: but what they know naturally, as brute beasts, in those things they corrupt themselves.New International Version
Yet these men speak abusively against whatever they do not understand; and what things they do understand by instinct, like unreasoning animals--these are the very things that destroy them.Catholic Public Domain Version
But these men certainly blaspheme against whatever they do not understand. And yet, whatever they, like mute animals, know from nature, in these things they are corrupted