Cross-references Explore similar Bible verses on Proverbs 15:2 in English Standard Version "The tongue of the wise commends knowledge, but the mouths of fools pour out folly." Pr 12:23 A prudent man conceals knowledge, but the heart of fools proclaims folly. Pr 13:16 Every prudent man acts with knowledge, but a fool flaunts his folly. Pr 15:28 The heart of the righteous ponders how to answer, but the mouth of the wicked pours out evil things. Pr 18:2 A fool takes no pleasure in understanding, but only in expressing his opinion.