American Standard Version
The lips of the righteous feed many; But the foolish die for lack of understanding.

Berean Study Bible
The lips of the righteous feed many, but fools die for lack of judgment.

Douay-Rheims Bible
The lips of the just teach many: but they that are ignorant, shall die in the want of understanding.

English Revised Version
The lips of the righteous feed many: but the foolish die for lack of understanding.

King James Bible
The lips of the righteous feed many: but fools die for want of wisdom.

World English Bible
The lips of the righteous feed many, but the foolish die for lack of understanding.

Young's Literal Translation
The lips of the righteous delight many, And fools for lack of heart die.

Proverbs 10:21 Additional Translations ...