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

2 Kings 18:21

See now, art thou trusting for thyself on this broken staff of reed, [even] upon Egypt? whosoever shall stay himself upon it, it shall even go into his hand, and pierce it: so [is] Pharao king of Egypt to all that trust on him.

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