Dr. Richard Schultz, the Blanchard Professor of Old Testament in Wheaton College Graduate School, has co-edited with Daniel Block, Isaianic Intertextuality and Intratextuality as Composition-Historical Indicators: Methodological Challenges in Determining Literary Influence, along with other books and articles. In this episode he discusses the contexts and wording of the prophecy of Isaiah that Matthew applies to Mary, the mother of Jesus, in Matt. 1:23.