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.