Hexapla
Origen's monumental six-column edition of the Old Testament presenting Hebrew text and multiple Greek translations side by side, a foundational work of biblical textual criticism.
Preface and Praise of Sacred Scripture
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Chapter IV: The Judgments and Examples of the Fathers
— Origen described as the first to compose the Hexapla and Octapla with immense labor
"for this one reason he thoroughly learned the Hebrew language, and collected from across the whole world the versions of various translators, and was the first by a new example to compose with immense labor the Hexapla and Octapla, and to illuminate them with scholia"
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The Septuagint Translation and Greek Translators
— Origen collected all translations to arrange the Tetrapla, Hexapla, and Octapla; corrected the Septuagint
"Origen collected all of these and from them arranged his Tetrapla, Hexapla, and Octapla; he also corrected the corrupt Septuagint"