2 Peter 2:22
But it has happened to them according to the true proverb: The dog has turned again to his own vomit; and, The sow that was washed, to her wallowing in the mire.
Matthew 12:45
Then he goes and takes with himself 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 with 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 he goes and takes with himself 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 with this wicked generation.
2 Peter 2:22
But it has happened to them according to the true proverb: The dog has turned again to his own vomit; and, The sow that was washed, to her wallowing in the mire.