Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Isaiah 48:1

“Hear this, house of Jacob, you who are called by the name of Israel, and have come out of the waters of Judah. You swear by Yahweh’s name, and make mention of the God of Israel, but not in truth, nor in righteousness—

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