
Proverbs 15:2 · World English Bible
Proverbs 15:2 Meaning The Tongue of the Wise Commends Knowledge
The tongue of the wise commends knowledge, but the mouth of fools gush out folly.

Proverbs 15:2 · World English Bible
The tongue of the wise commends knowledge, but the mouth of fools gush out folly.
One voice can serve either teacher, and it is the choice behind the words, not the words themselves, that decides what is spoken. A mind at peace uses what it knows to heal, letting each thing said join rather than divide.
From the Christian Psychology reading below.
The same verse, read by 2 traditions.

CHRISTIAN PSYCHOLOGY
One voice can serve either teacher, and it is the choice behind the words, not the words themselves, that decides what is spoken. A mind at peace uses what it knows to heal, letting each thing said join rather than divide. The wisdom is in the love that shaped it.
When fear speaks, it pours out its own confusion and calls it truth. Foolishness is only the ego talking to itself, defending a separation that was never real. To speak wisely is to let a gentler teacher move the tongue, so the words carry the mind toward peace.
Tongue: the instrument of the mind that gives its inner choice a voice, sending outward whichever teacher it has chosen. Mouth: the same opening seen as an outlet for fear, the channel through which the ego empties its confusion into the world.

SUFISM
Ḥikma: Wisdom, putting each thing where it belongs Al-Ghazali treats wisdom as knowing where a thing belongs and then setting it there. Inside a person that shows up as a small gap between having a thought and saying it, long enough to ask whether this is the moment. Most of what they know stays unsaid, and the piece they hand over is the piece the listener can use.
ʿIlm nāfiʿ: Knowledge that does someone good The Prophet's own prayer asked for knowledge that benefits and for shelter from knowledge that does not. The test is simple and a little uncomfortable: does this leave the other person better off, or does it mainly show what I have collected? Speech that passes usually sounds ordinary, because the speaker is watching the listener rather than admiring their own sentence.
Speak to people about what they already know: words have to land where the listener stands A line long repeated in the tradition, from Ali, puts the burden on the one talking. Behind it sits patience: the impressive part gets held back, and the starting point is the ground the other person is standing on. Nothing gets dumbed down, though the order changes, and the listener stays with you instead of nodding along while drifting off.
Ḥifẓ al-lisān: Guarding the tongue Al-Ghazali gave the harms of the tongue more pages than almost any other fault. His point lands in a familiar spot: the second right after you say something and feel the room change. Guarding moves that moment earlier, so the check happens while the words are still yours, and a good deal of what would have poured out never gets said.
Ghaflah: Heedlessness, being half awake to your own life Ghaflah names the fog a person lives in when they stop paying attention to themselves. Talk is where it shows fastest, since someone can go on for an hour without once hearing what they are saying. The stream comes from whatever mood arrived that morning, and it keeps rolling because the speaker has never paused long enough to catch it.
Christian Psychology lens
If my words today came from peace instead of from pressure, which ones would I take back?
Speak only what is true, kind, and timely, and leave the rest unsaid. Words that pass that test heal, and words that fail it only stir dust.
True words are not dressed up, and dressed up words are not true. The one who really knows does not need to perform it.
Speech is a window onto what sits behind it. Keep the inside clean and the words take care of themselves.

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