Every prudent man dealeth with knowledge: but a fool layeth open his folly.

PROVERBS 13:16KJV
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What does Proverbs 13:16 mean?

Proverbs 13:16 says that a wise person acts thoughtfully and with understanding, while a foolish person exposes their lack of sense by their actions. The verse draws a clear line between careful decision-making and careless behavior that reveals one’s ignorance.

This proverb is part of Solomon’s collection of wise sayings, originally given to instruct young people and the community in practical living. The verse uses everyday language to contrast two types of people: the “prudent” who handle matters with knowledge, and the “fool” who makes his foolishness obvious to everyone. The focus is on how a person’s choices reveal their character.

The Hebrew behind Proverbs 13:16

  • “prudent” (עָרוּם, ‘arum): This word often means someone who is shrewd or sensible, not just intelligent but able to handle situations wisely and carefully. It highlights practical wisdom.
  • “dealeth” (עָשָׂה, ‘asah): This verb means “to do” or “to act.” Here, it emphasizes that the wise person’s actions are guided by knowledge, not just good intentions.
  • “knowledge” (דַּעַת, da‘at): This word refers to understanding or insight, not just facts. The prudent person uses real understanding in making choices.
  • “fool” (כְּסִיל, kesil): This term describes someone who is stubbornly ignorant or careless, not just lacking intelligence but refusing to learn.
  • “open” (פָּרַשׂ, parash): This verb means “to spread out” or “to display.” The fool’s actions make his lack of sense obvious to everyone.
  • “folly” (אִוֶּלֶת, ivvelet): This word means foolishness or stupidity—behavior that lacks sense or wisdom.

Why Proverbs 13:16 matters

  • The proverb clears up the idea that wisdom is only about what someone knows; it shows that true wisdom is seen in how a person acts.
  • The verse highlights that foolishness is not always hidden—foolish choices will eventually reveal themselves to others.
  • This saying fits into the wider theme of Proverbs, which often contrasts the wise and the foolish to teach readers how to live well and avoid trouble.

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.

“folly” 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.

“open” Hebrew H6566 · used in 66 verses

  • Exodus 9:29 And Moses said unto him, As soon as I am gone out of the city, I will spread abroad my hands unto the LORD; and the thunder shall cease, neither shall there be any more hail; that thou mayest know how that the earth is the LORD'S.
  • 2 Kings 8:15 And it came to pass on the morrow, that he took a thick cloth, and dipped it in water, and spread it on his face, so that he died: and Hazael reigned in his stead.
  • Isaiah 33:23 Thy tacklings are loosed; they could not well strengthen their mast, they could not spread the sail: then is the prey of a great spoil divided; the lame take the prey.

“fool” 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.