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

2 Kings 2:9

And it came to pass while they were crossing over, that Eliu said to Elisaie, Ask what I shall do for thee before I am taken up from thee. And Elisaie said, Let there be, I pray thee, a double [portion] of thy spirit upon me.

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