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

Isaiah 31:1

Woe to them that go down to Egypt for help, who trust in horses and chariots, for they are many; and in horses, [which are] a great multitude; and have not trusted in the Holy One of Israel, and have not sought the Lord.

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