Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX2012

Psalms 13:1

(14) For the end, Psalm of David. The fool has said in his heart, There is no God. They have corrupted [themselves], and become abominable in their devices; there is none that does goodness, there is not even so much as one.

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