2 Peter 2:22
But it has befallen them according to the true proverb, The dog is turned to his own vomit, and the sow that was washed to her wallowing in the mire.
Matthew 12:45
Then goeth he and taketh with him seven other spirits more wicked than himself, and they enter in and dwell there, and the last state of that man is worse than the first. So shall it be also to this wicked generation.
Treasury of Scripture Knowledge
Summary
As a dog returneth to his vomit, so a fool returneth to his folly.
A dog
Bible References
A dog
Matthew 12:45
Then goeth he and taketh with him seven other spirits more wicked than himself, and they enter in and dwell there, and the last state of that man is worse than the first. So shall it be also to this wicked generation.
2 Peter 2:22
But it has befallen them according to the true proverb, The dog is turned to his own vomit, and the sow that was washed to her wallowing in the mire.