Ecclesiastes 10:12-14

New Catholic Bible

¹² The words of a wise man win favor,
    but a fool’s tongue is his undoing.
¹³ The words a fool utters are grounded in stupidity,
    and they end in total madness.
¹⁴ A fool talks at great length,
    but no one knows what direction his words will take,
    and who can foretell what the future holds?