Proverbs 12:23 reinforces the contrast: the prudent keep knowledge, fools blurt folly — same wise/fool speech distinction.

Proverbs 13:16 parallels: prudent act with knowledge, fools expose folly — echoing the wise/fool tongue contrast.

Proverbs 16:23 adds that the wise heart makes the mouth prudent — connecting inner wisdom to outward speech as here.

Proverbs 5:2 urges lips to guard knowledge — a near synonym to the wise tongue commending knowledge in Proverbs 15:2.

Proverbs 10:32 contrasts righteous lips that know what is acceptable with the wicked mouth — matching the wise/fool distinction in Proverbs 15:2.

Proverbs 17:28 adds that even fools appear wise when silent—complementing the contrast between wise and foolish speech.

Proverbs 12:13 shows the wicked ensnared by their lips while the righteous escape — a consequence parallel to the outcomes of wise and foolish speech.

Proverbs 14:33 says wisdom rests in the understanding heart but is exposed among fools — complementary to the tongue's role in commending or pouring out folly.

Proverbs 25:11 illustrates the beauty of timely words — a specific application of adorning knowledge with speech.

Ecclesiastes 10:12 directly echoes: wise words are gracious, fools are consumed by lips — same contrast as here.

Ecclesiastes 10:13 describes the fool's speech progressing from folly to madness — elaborating on the fool's gushing folly.

James 3:5 portrays the tongue as a small member that boasts great things, mirroring the wise tongue's influence versus foolish outpouring here.

James 1:26 warns that an uncontrolled tongue makes religion worthless—echoing the danger of foolish speech.

Ephesians 5:4 specifically forbids 'foolish talk'—directly parallel to the fool's mouth gushing folly.

Ephesians 4:29 commands wholesome talk that builds others up—contrasting with the fool's gushing folly.

Matthew 15:18 teaches that speech reveals the heart—connecting the source of wise or foolish words.

Ecclesiastes 10:14 directly says 'fools multiply words'—the same idea as the fool's mouth gushing folly.

Saul's angry insult in 1 Samuel 20:30 exemplifies the fool's mouth pouring out folly — contrasting with wise speech.

In Isaiah 50:4, the servant's taught tongue sustains the weary — echoing the wise tongue that commends knowledge.

Ecclesiastes 5:3 states that many words mark a fool's speech, echoing the fool gushing folly.

Psalm 59:7 depicts enemies whose mouths belch violence — a vivid example of the fools' folly poured out in Proverbs 15:2.

James 1:19 advises being slow to speak—a practical application of wisdom over foolish gushing.

Job 33:3 has Elihu's lips speaking sincerely — reflecting the wise tongue that commends knowledge with integrity.