R.A. Torrey explores the profound truths of John's Gospel, emphasizing Jesus as the eternal Word of God who was both with God and was God. He highlights the significance of Jesus as the source of life and light for humanity, contrasting the darkness of the world that failed to recognize Him. Torrey discusses the role of John the Baptist as a witness to the Light and the necessity of believing in Jesus to become children of God. The sermon culminates in the revelation of the Word made flesh, showcasing the grace and truth that Jesus embodies, and the transformative power of His incarnation for believers.