For them the proverb has proved true, “A dog returns to his own vomit,” and, “A washed sow returns to her rolling in the mud.”
As a dog returns to his own vomit, So a fool repeats his folly.
“And if the plague comes back and breaks out in the house, after he has removed the stones, after he has scraped the house, and after it is plastered,
יהושע used this figure of speech, but they did not know what He had been saying to them.