Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Nehemiah 8:9

Nehemiah, who was the governor, Ezra the priest and scribe, and the Levites who taught the people said to all the people, “Today is holy to Yahweh your God. Don’t mourn, nor weep.” For all the people wept when they heard the words of the law.

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