Proverbs 26:9-11

Revised Standard Version Catholic Edition

⁹ Like a thorn that goes up into the hand of a drunkard
    is a proverb in the mouth of fools.
¹⁰ Like an archer who wounds everybody
    is he who hires a passing fool or drunkard.^[a]
11 Like a dog that returns to his vomit
    is a fool that repeats his folly.