Treasury of Scripture Knowledge

Summary

As a dog returneth to his vomit, so a fool returneth to his folly.

Bible References

A dog

Matthew 12:45
then he goeth and taketh with him seven other spirits more wicked than himself, and they enter in and dwell there; and so the last state of that man is worse than the first. And thus shall it be to this wicked generation.
2 Peter 2:22
But it is happened to them according to the true proverb, The dog is returned to his own vomit, and, The swine that was washed to her wallowing in the mire.