Question: a dog will return to his vomit?
Answer: "As a dog returns to his vomit, so a fool repeats his folly" is an aphorism which appears in the Book of Proverbs in the Bible — Proverbs 26:11 (Hebrew: כְּ֭כֶלֶב שָׁ֣ב עַל־קֵאֹ֑ו כְּ֝סִ֗יל שֹׁונֶ֥ה בְאִוַּלְתֹּֽו‎ Kəḵeleḇ šāḇ 'al-qê'ōw; kəsîl, šōwneh ḇə'iwwaltōw.), also partially quoted in the New Testament, 2 Peter 2 ...