2 Peter 2:17-22

17These are wells without water, clouds that are carried with a tempest; to whom the mist of darkness is reserved for ever. 18For when they speak great swelling words of vanity, they allure through the lusts of the flesh, through much wantonness, those that are just escaping from them who live in error.1 19While they promise them liberty, they themselves are the servants of corruption: for by whom a man is overcome, by the same is he brought into bondage. 20For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled in them, and overcome, the latter end is worse with them than the beginning. 21For it had been better for them not to have known the way of righteousness, than, after they have known it, to turn from the holy commandment delivered to them. 22But it hath happened to them according to the true proverb, The dog is turned to his own vomit again; and the sow that was washed to her wallowing in the mire.