Proverbs 12:23
 Proverbs 12:23 
New International Version (©2011)
The prudent keep their knowledge to themselves, but a fool's heart blurts out folly.

New Living Translation (©2007)
The wise don't make a show of their knowledge, but fools broadcast their foolishness.

English Standard Version (©2001)
A prudent man conceals knowledge, but the heart of fools proclaims folly.

New American Standard Bible (©1995)
A prudent man conceals knowledge, But the heart of fools proclaims folly.

King James Bible (Cambridge Ed.)
A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

Holman Christian Standard Bible (©2009)
A shrewd person conceals knowledge, but a foolish heart publicizes stupidity.

International Standard Version (©2012)
A prudent man keeps what he knows to himself, but the hearts of fools shout forth their foolishness.

NET Bible (©2006)
The shrewd person conceals knowledge, but foolish people publicize folly.

Aramaic Bible in Plain English (©2010)
A cunning man is a seat of knowledge, and the heart of fools proclaims evil.

GOD'S WORD® Translation (©1995)
A sensible person [discreetly] hides knowledge, but foolish minds preach stupidity.

King James 2000 Bible (©2003)
A prudent man conceals knowledge: but the heart of fools proclaims foolishness.

American King James Version
A prudent man conceals knowledge: but the heart of fools proclaims foolishness.

American Standard Version
A prudent man concealeth knowledge; But the heart of fools proclaimeth foolishness.

Douay-Rheims Bible
A cautious man concealeth knowledge: and the heart of fools publisheth folly.

Darby Bible Translation
A prudent man concealeth knowledge; but the heart of the foolish proclaimeth folly.

English Revised Version
A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

Webster's Bible Translation
A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

World English Bible
A prudent man keeps his knowledge, but the hearts of fools proclaim foolishness.

Young's Literal Translation
A prudent man is concealing knowledge, And the heart of fools proclaimeth folly.

Matthew Henry's Concise Commentary

12:16. A foolish man is soon angry, and is hasty in expressing it; he is ever in trouble and running into mischief. It is kindness to ourselves to make light of injuries and affronts, instead of making the worst of them. 17. It is good for all to dread and detest the sin of lying, and to be governed by honesty. 18. Whisperings and evil surmises, like a sword, separate those that have been dear to each other. The tongue of the wise is health, making all whole. 19. If truth be spoken, it will hold good; whoever may be disobliged, still it will keep its ground. 20. Deceit and falsehood bring terrors and perplexities. But those who consult the peace and happiness of others have joy in their own minds. 21. If men are sincerely righteous, the righteous God has engaged that no evil shall happen to them. But they that delight in mischief shall have enough of it. 22. Make conscience of truth, not only in words, but in actions. 23. Foolish men proclaim to all the folly and emptiness of their minds. 24. Those who will not take pains in an honest calling, living by tricks and dishonesty, are paltry and beggarly. 25. Care, fear, and sorrow, upon the spirits, deprive men of vigour in what is to be done, or courage in what is to be borne. A good word from God, applied by faith, makes the heart glad. 26. The righteous is abundant; though not in this world's goods, yet in the graces and comforts of the Spirit, which are the true riches. Evil men vainly flatter themselves that their ways are not wrong. 27. The slothful man makes no good use of the advantages Providence puts in his way, and has no comfort in them. The substance of a diligent man, though not great, does good to him and his family. He sees that God gives it to him in answer to prayer. 28. The way of religion is a straight, plain way; it is the way of righteousness. There is not only life at the end, but life in the way; all true comfort.


Pulpit Commentary

Verse 23. - A prudent man concealeth knowledge (ver. 16; Proverbs 10:14). He is not wont to utter unadvisedly what he knows, but waits for fitting opportunity, either from humility or wise caution. Of course, in some cases reticence is sinful. The LXX., reading the passage differently, renders, "A prudent man is the seat of intelligence (θρόνος αἰσθήσεως)." The heart of fools proclaimeth foolishness (Proverbs 13:16; Proverbs 15:2). A foolish man cannot help exposing the stupid ideas that arise in his mind, which he considers wisdom. Septuagint, "The heart of fools shall meet with curses."


Gill's Exposition of the Entire Bible

A prudent man concealeth knowledge,.... Of things natural or divine, which he is furnished with; not but that he is willing to communicate it, as he should, at proper times, in proper places, and to proper persons; but he does not needlessly and unseasonably speak of it; he does not make a show of it, or boast and brag of it: he modestly forbears to speak of what he knows, but when there is a necessity for it, even of that which may be lawfully divulged; which is a point of prudence and modesty; otherwise it is criminal to reveal secrets, or publish what should be kept private or should not be known. Aben Ezra interprets it of a wise man's hiding his knowledge in his heart, that he may not forget it;

but the heart of fools proclaimeth foolishness; that which they have in their hearts and minds, and which they take for deep knowledge, profound and recondite learning, they proclaim with their mouths in a noisy and clamorous way; and while they declare their ill shaped notions, their incoherent and unconnected ideas of things, they betray their ignorance and folly, as ostentatious men do.


Jamieson-Fausset-Brown Bible Commentary

23. concealeth—by his modesty (Pr 10:14; 11:13).

heart … proclaimeth—as his lips speak his thoughts (compare Ec 10:3).


Proverbs 12:23 Parallel Commentaries

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Loving Discipline and Knowledge
22Lying lips are abomination to the LORD: but they that deal truly are his delight. 23A prudent man conceals knowledge: but the heart of fools proclaims foolishness. 24The hand of the diligent shall bear rule: but the slothful shall be under tribute. …

Proverbs 10:14 The wise store up knowledge, but the mouth of a fool invites ruin.
Proverbs 11:13 A gossip betrays a confidence, but a trustworthy person keeps a secret.
Proverbs 13:16 All who are prudent act with knowledge, but fools expose their folly.
Proverbs 15:2 The tongue of the wise adorns knowledge, but the mouth of the fool gushes folly.
Proverbs 18:2 Fools find no pleasure in understanding but delight in airing their own opinions.
Proverbs 29:11 Fools give full vent to their rage, but the wise bring calm in the end.