G. Campbell Morgan emphasizes the transformative results of the Holy Spirit's coming, highlighting that believers are no longer orphans but are comforted by the constant presence of Christ through the Spirit. He explains that the Spirit brings peace, which surpasses worldly understanding, and empowers believers to witness for Christ. Furthermore, the Spirit glorifies Christ and provides a vision of Him that was not possible during His earthly ministry. Morgan concludes that the teachings of Jesus about the Spirit are foundational and find their fulfillment in the Acts of the Apostles and the Epistles, showcasing the ongoing work of the Spirit in the Church.