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

King James Bible
A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

American Standard Version
A prudent man concealeth knowledge; But the heart of fools proclaimeth foolishness.

Darby Bible Translation
A prudent man concealeth knowledge; but the heart of the foolish proclaimeth folly.

Douay-Rheims Bible
A cautious man concealeth knowledge: and the heart of fools publisheth folly.

English Revised Version
A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

Young's Literal Translation
A prudent man is concealing knowledge, And the heart of fools proclaimeth folly.