Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Revelation 3:12

He who overcomes, I will make him a pillar in the temple of my God, and he will go out from there no more. I will write on him the name of my God and the name of the city of my God, the new Jerusalem, which comes down out of heaven from my God, and my own new name.

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