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

1 Samuel 31:4

And Saul said to his armour-bearer, Draw thy sword and pierce me through with it; lest these uncircumcised come and pierce me through, and mock me. But his armour-bearer would not, for he feared greatly: so Saul took his sword and fell upon it.

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