Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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2 Kings 20:5

“Turn back, and tell Hezekiah the prince of my people, ‘Yahweh, the God of David your father, says, “I have heard your prayer. I have seen your tears. Behold, I will heal you. On the third day, you will go up to Yahweh’s house.

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