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

Isaiah 66:5

Hear the word of the Lord, ye that tremble at his word; Your brethren that hated you, that cast you out for my name’s sake, said, Let the Lord be glorified: but he shall appear to your joy, and they shall be ashamed.

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