Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Baruch 6:8

For their tongue is polished by the workman, and they themselves are overlaid with gold and with silver; yet they are only fake, and can’t speak.

Parallel Translations

KJVView canonical →
As for their tongue, it is polished by the workman, and they themselves are gilded and laid over with silver; yet are they but false, and cannot speak.
King James Version