Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Judges 9:2

“Please speak in the ears of all the men of Shechem, ‘Is it better for you that all the sons of Jerubbaal, who are seventy persons, rule over you, or that one rule over you?’ Remember also that I am your bone and your flesh.”

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