Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Exodus 9:29

Moses said to him, “As soon as I have gone out of the city, I will spread out my hands to Yahweh. The thunders shall cease, and there will not be any more hail; that you may know that the earth is Yahweh’s.

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