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

PROVERBS 12:23KJV
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What does Proverbs 12:23 mean?

Proverbs 12:23 describes how a wise or careful person keeps their knowledge to themselves, while those who lack wisdom openly display their foolishness. The verse contrasts the quiet restraint of the prudent with the loud self-exposure of fools.

In the book of Proverbs, these sayings are presented as practical advice from a teacher or parent to a learner, often a young person. The verse highlights that true wisdom does not need to show off, while foolishness is often revealed by speaking without thought. The focus is on the value of discretion and the consequences of careless speech.

The Hebrew behind Proverbs 12:23

  • "prudent" (עָרוּם, ʿarūm): This word often means shrewd, sensible, or cautious. It describes someone who thinks ahead and acts with care, not just someone who is intelligent.
  • "concealeth" (כָּסָה, kāsāh): This verb means to cover or hide. In this context, it suggests that the wise person does not feel the need to display everything they know.
  • "proclaimeth" (קָרָא, qārā’): This word means to call out or announce. Here, it emphasizes how fools make their lack of sense obvious by speaking out.
  • "foolishness" (אִוֶּלֶת, ’iwwelet): This term refers to folly or lack of good judgment. It is not just ignorance, but a pattern of unwise or reckless behavior.

Why Proverbs 12:23 matters

  • Proverbs 12:23 clarifies that wisdom is often shown by restraint, not by showing off knowledge or opinions.
  • The verse warns against the common mistake of thinking that talking more makes a person seem wise; in fact, it can reveal the opposite.
  • This proverb fits into a larger theme in Proverbs about the power of words and the importance of self-control in speech.

Where else these words appear

“prudent” Hebrew H6175 · used in 11 verses

  • Genesis 3:1 Now the serpent was more subtil than any beast of the field which the LORD God had made. And he said unto the woman, Yea, hath God said, Ye shall not eat of every tree of the garden?
  • Proverbs 12:16 A fool's wrath is presently known: but a prudent man covereth shame.
  • Proverbs 14:15 The simple believeth every word: but the prudent man looketh well to his going.

“foolishness” Hebrew H200 · used in 24 verses

  • Psalms 38:5 My wounds stink and are corrupt because of my foolishness.
  • Proverbs 14:18 The simple inherit folly: but the prudent are crowned with knowledge.
  • Proverbs 18:13 He that answereth a matter before he heareth it, it is folly and shame unto him.

“fools” Hebrew H3684 · used in 69 verses

  • Psalms 49:10 For he seeth that wise men die, likewise the fool and the brutish person perish, and leave their wealth to others.
  • Proverbs 17:10 A reproof entereth more into a wise man than an hundred stripes into a fool.
  • Proverbs 26:10 The great God that formed all things both rewardeth the fool, and rewardeth transgressors.

“knowledge” Hebrew H1847 · used in 91 verses

  • Genesis 2:9 And out of the ground made the LORD God to grow every tree that is pleasant to the sight, and good for food; the tree of life also in the midst of the garden, and the tree of knowledge of good and evil.
  • Proverbs 2:6 For the LORD giveth wisdom: out of his mouth cometh knowledge and understanding.
  • Proverbs 24:5 A wise man is strong; yea, a man of knowledge increaseth strength.