John Owen emphasizes that the person of Christ is the foundation of all God's counsels, particularly concerning the church's vocation, sanctification, and salvation. He explains that God's eternal glory is intricately tied to Christ, who was set up from everlasting to execute these divine plans. Owen highlights the delight of God in these eternal counsels, which were established in Christ, showcasing His wisdom, goodness, and love. The sermon underscores that all things were created and renewed through Christ, making Him central to God's redemptive work. Ultimately, Owen asserts that understanding Christ's role is essential for grasping the fullness of God's purpose for humanity.