Prologue, Baptist, First Disciples the opening movement of the Fourth Gospel
John 1 is the largest interpretive door in the Fourth Gospel. The prologue (1:1–18) supplies the Christology the rest of the book assumes; the Baptist's witness (1:19–34) establishes the apostolic testimony; the first disciples (1:35–51) show what receiving the Word looks like.
Overview of John 1
The chapter divides cleanly into three movements. 1:1–18 is the prologue — a hymnic theological overture that introduces the Word (ho logos), his eternal relation to the Father, his work in creation, his coming as light into the world's darkness, and the climactic claim that he became flesh and dwelt among us. Almost every theological theme of the Gospel is introduced here — life, light, glory, grace, truth, witness, world, believe, become children of God, the Father's only Son.
1:19–34 moves from the eternal Word to the historical setting: John the Baptist as the appointed witness, denying that he is the Christ, identifying Jesus as the Lamb of God who takes away the sin of the world, and testifying that he saw the Spirit descend on Jesus. 1:35–51 shows the first disciples — Andrew, Peter, Philip, Nathanael — coming to Jesus, recognizing him, and beginning the witness that the rest of the Gospel will unfold.
The prologue is the gravitational center of the chapter, and within the prologue the opening five verses set the controlling Christological vision. They are the natural place to start a verse-by-verse exegetical reading.
Passage Units
All seven passages of John 1 are available — the prologue (1:1–18), the Baptist's witness (1:19–34), and the first disciples (1:35–51).