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

1 Kings 3:6

And Solomon said, Thou hast dealt very mercifully with thy servant David my father according as he walked before thee in truth, and in righteousness, and in uprightness of heart with thee, and thou hast kept for him this great mercy, to set his son upon his throne, as [it is] this day.

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