The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.

PROVERBS 15:2KJV
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What does Proverbs 15:2 mean?

Proverbs 15:2 says that wise people speak in a way that uses knowledge well, while foolish people speak carelessly and their words show their lack of sense. The verse contrasts the thoughtful, helpful speech of the wise with the empty, uncontrolled talk of fools.

This proverb comes from a collection of wise sayings traditionally attributed to Solomon, addressing anyone who wants to live wisely. The verse highlights how a person's words reveal their character: someone wise knows how to use what they know to benefit others, but a fool's words quickly show their lack of understanding.

The Hebrew behind Proverbs 15:2

  • "Tongue" (לָשׁוֹן, lashon) refers to speech or the way someone talks. In Hebrew thought, the tongue often stands for a person's words and their power.
  • "Wise" (חָכָם, chakam) means someone who is skillful or has practical wisdom, not just knowledge but the ability to use it well.
  • "Aright" (יֵיטִיב, yetiv) is about making something good or right. Here, it means using knowledge in a way that is fitting and beneficial.
  • "Fools" (אֱוִילִים, evilim) describes people who are not just ignorant but stubbornly refuse wisdom, often acting in ways that show poor judgment.
  • "Foolishness" (אִוֶּלֶת, ivvelet) means senselessness or stupidity, not just a lack of knowledge but a pattern of unwise thinking.

Why Proverbs 15:2 matters

  • Proverbs 15:2 warns that it is not enough to have knowledge; wisdom is shown in how knowledge is used in speech, making the verse about more than just being smart.
  • The verse helps clear up the idea that all speech is equal—Proverbs 15:2 shows that words can either build up or reveal foolishness, depending on the speaker's character.
  • This proverb fits into a larger theme in Proverbs about the power of words and the importance of self-control in speech, connecting to other verses that warn against careless or harmful talk.

Where else these words appear

“out” Hebrew H5042 · used in 11 verses

  • Psalms 19:2 Day unto day uttereth speech, and night unto night sheweth knowledge.
  • Psalms 94:4 How long shall they utter and speak hard things? and all the workers of iniquity boast themselves?
  • Proverbs 1:23 Turn you at my reproof: behold, I will pour out my spirit unto you, I will make known my words unto you.

“foolishness” Hebrew H200 · used in 24 verses

  • Psalms 38:5 My wounds stink and are corrupt because of my foolishness.
  • Proverbs 14:17 He that is soon angry dealeth foolishly: and a man of wicked devices is hated.
  • 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.