Submitted by György Chityil ... on Fri, 01/19/2018 - 20:34 Hierarchy: ProverbDescription: Foolish people repeatedly do foolish things.Ngram: as a dog returns to his vomit, so a fool repeats his follyNgram Text: as a dog returns to his vomit, so a fool repeats his follySource: WiktionaryIssue: 0Ngram Count: 13