Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Deuteronomy 6:2

That ye may fear the Lord your God, keep ye all his ordinances, and his commandments, which I command thee to-day, thou, and thy sons, and thy sons' sons, all the days of thy life, that ye may live many days.

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