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 it goes and brings with it seven other spirits worse than itself; 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
In their case it has happened according to the true proverb, The dog returns again to his own vomit, and The sow, after washing, to her wallowing in the mire.