Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Acts 13:33

that God has fulfilled this to us, their children, in that he raised up Jesus. As it is also written in the second psalm, ‘You are my Son. Today I have become your father.’

Parallel Translations

KJVView canonical →
God hath fulfilled the same unto us their children, in that he hath raised up Jesus again; as it is also written in the second psalm, Thou art my Son, this day have I begotten thee.
King James Version

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