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

1 Samuel 17:36

Thy servant smote both the lion and the bear, and the uncircumcised Philistine shall be as one of them: shall I not go and smite him, and remove this day a reproach from Israel? for who [is] this uncircumcised one, who has defied the army of the living God?

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