Passage
The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.
The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.
Proverbs 15:1 A soft answer turneth away wrath: but grievous words stir up anger.
Proverbs 15:2 The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.
Proverbs 15:3 The eyes of the LORD are in every place, beholding the evil and the good.
Proverbs 15:4 A wholesome tongue is a tree of life: but perverseness therein is a breach in the spirit.
The verse centers on "tongue", "wise", "useth", "knowledge", "aright", "mouth", "fools", and "poureth". It is saying that the verse draws attention to "tongue" and "wise", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 1's "A soft answer turneth away wrath but..." into verse 3's "The eyes of the LORD are in...", so "tongue" and "wise" belong inside that flow. In Proverbs context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "tongue" and "wise" with trust shaped by these words, not by a vague optimism outside the passage.