Chapter Two Theology of the Gospel We should always do theology in keeping with a book’s stated purpose. According to John 20:30–31 it is clear that John’s stated purpose for his Gospel is evangelistic since the questions he wants to answer for his readers are (1) Who is Jesus? (2) Who is the Messiah, for the sake of the Jews (he cites sixteen Old Testament quotations)? (3) Who is the Son of God, for the sake of the Gentiles? (And all three for the sake of everyone.) These are not questions that
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