How does Christ's sacrifice relate to His authority?

The relationship between Christ's sacrifice and His authority is foundational to the Christian faith. Hebrews 10:12 indicates that after offering Himself as the one definitive sacrifice for sin, He 'sat down on the right hand of God,' indicating His complete and final atonement. This completed work not only fulfills the demands of God's justice but also grants Christ the authority to act as our advocate. His sacrificial death secures for us a place in God's family, confirming that He is both the source and the guarantor of our salvation. It assures us that, with all power and authority, He continues to uphold and sustain His people in love and grace.