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

Isaiah 36:6

Behold, thou trustest on this bruised staff of reed, on Egypt: [as soon] as a man leans upon it, it shall go into his hand, and pierce it: so is Pharao king of Egypt and all that trust in him.

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