New International Version
The prudent keep their knowledge to themselves, but a fool's heart blurts out folly.

New Living Translation
The wise don’t make a show of their knowledge, but fools broadcast their foolishness.

English Standard Version
A prudent man conceals knowledge, but the heart of fools proclaims folly.

Berean Study Bible
A shrewd man keeps his knowledge to himself, but a foolish heart proclaims its folly.

New American Standard Bible
A prudent person conceals knowledge, But the heart of fools proclaims foolishness.

NASB 1995
A prudent man conceals knowledge, But the heart of fools proclaims folly.

NASB 1977
A prudent man conceals knowledge, But the heart of fools proclaims folly.

Amplified Bible
A shrewd man is reluctant to display his knowledge [until the proper time], But the heart of [over-confident] fools proclaims foolishness.

Christian Standard Bible
A shrewd person conceals knowledge, but a foolish heart publicizes stupidity.

Holman Christian Standard Bible
A shrewd person conceals knowledge, but a foolish heart publicizes stupidity.

Contemporary English Version
Be sensible and don't tell everything you know--only fools spread foolishness everywhere.

Good News Translation
Smart people keep quiet about what they know, but stupid people advertise their ignorance.

GOD'S WORD® Translation
A sensible person [discreetly] hides knowledge, but foolish minds preach stupidity.

International Standard Version
A prudent man keeps what he knows to himself, but the hearts of fools shout forth their foolishness.

NET Bible
The shrewd person conceals knowledge, but foolish people publicize folly.