Why is Christ and His church considered the reason for everything?

According to the message, Christ and His church are the focal point of God's creation and redemptive work. The pastor asserts that the entire world exists to serve Christ and fulfill His purposes, as demonstrated in Isaiah 43 where God declares that He has given nations for His people. This signifies that all creation is under God's sovereignty and is directed towards glorifying Him through the salvation of sinners. The idea that Christ and His church are central to existence also denotes that true life and purpose are found in serving and glorifying Christ. When the church proclaims the gospel, it fulfills the divine mandate to glorify God, affirming that everything operates under this truth.