Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Psalms 53:1

For the Chief Musician. To the tune of “Mahalath.” A contemplation by David. The fool has said in his heart, “There is no God.” They are corrupt, and have done abominable iniquity. There is no one who does good.

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