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 him seven other spirits more wicked than himself, and having come in dwells there: and the last state of that man is worse than the first. So it will also be with this wicked generation.
2 Peter 2:22
It has happened unto them according to the old proverb, The dog having returned to his own vomit; and the sow that had washed to wallowing in the mire.