Proverbs 26:9-11

New Catholic Bible

⁹ Like a thorn branch brandished by a drunkard
    is a proverb in the mouth of a fool.
¹⁰ Like an archer who wounds all who pass by
    is one who hires a fool or a drunkard.
¹¹ As a dog returns to its vomit,^[a]
    so a fool reverts to his folly.