G.W. North emphasizes the profound connection between the cross of Christ and the concept of sacrifice, illustrating how Jesus transformed the cross into an altar of self-giving love. He reflects on the significance of Christ's crucifixion as the ultimate sin-offering, fulfilling Old Testament prophecies and establishing a new understanding of sacrifice. North highlights the importance of recognizing the cross not just as a place of death, but as a means of life and reconciliation with God. He draws parallels between the sacrifices of Noah and the eternal principles of self-sacrifice inherent in God's creation. Ultimately, the sermon calls believers to grasp the deeper truths of the cross as an altar of love and life.