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

Exodus 17:9

And Moses said to Joshua, Choose out for yourself mighty men, and go forth and set the army in array against Amalec to-morrow; and, behold, I [shall] stand on the top of the hill, and the rod of God [will be] in my hand.

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