How do we know Jesus is the sovereign head of the Church?

The sovereignty of Jesus as the head of the Church is affirmed in Matthew 28:18, where Christ states, 'All power is given unto me in heaven and in earth.' This authority establishes Him as the sovereign ruler who guides and protects His Church. Moreover, Christ is depicted as the cornerstone of the Church—not only its foundation but also its sustaining force. As the head, He governs actively, ensuring that His purposes are fulfilled, and His people remain secure amidst worldly opposition. Through His omnipotent rule, believers can have confidence that the gates of hell shall not prevail against His Church.