John Owen emphasizes the exaltation of Christ and His current state in glory as central to the Christian faith. He explains that Christ's ascension into heaven signifies His mediatory office, where He reigns with sovereign power and continues to intercede for the church. Owen highlights that the glory of Christ's human nature is unique and distinct from that of the saints, as it is eternally united with the divine. The sermon underscores the importance of understanding Christ's present role in heaven, which is foundational for the church's hope and consolation. Ultimately, believers are called to behold and contemplate the glory of God as revealed in Christ, which is essential for their faith and spiritual growth.