Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Acts 8:30

Philip ran to him, and heard him reading Isaiah the prophet, and said, “Do you understand what you are reading?”

Parallel Translations

KJVView canonical →
And Philip ran thither to him, and heard him read the prophet Esaias, and said, Understandest thou what thou readest?
King James Version

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