John 11:51 (KJV) states, "And this spake he not of himself: but being high priest that year, he prophesied that Jesus should die for that nation."

This verse is part of the larger narrative of the resurrection of Lazarus in John 11, which is a significant event in the Gospel of John as it reveals Jesus' power over death and foreshadows his own resurrection. The verse is spoken by Caiaphas, the high priest at the time, as he suggests that it is better for one man to die for the people rather than the whole nation perish. This prophecy unwittingly speaks to the redemptive purpose of Jesus' death, foreshadowing his sacrificial atonement for the sins of humanity.

The context of this verse is in the midst of the controversy surrounding Jesus' ministry and his growing popularity among the people. The religious leaders, particularly the high priest and the Pharisees, were threatened by Jesus' teachings and miracles, and they sought to arrest him and put him to death. This plot against Jesus sets the stage for the unfolding of the divine plan for salvation, as Jesus willingly walks towards his sacrificial death on the cross.

The theme of substitutionary atonement is central to this verse, as it speaks to the concept of one person dying for the sins of others. This concept is deeply rooted in the Old Testament sacrificial system, where animals were sacrificed as atonement for the sins of the people. However, Jesus' death as the ultimate sacrifice fulfills and surpasses the sacrificial system, as his blood provides eternal atonement for all who believe in him. This theme highlights the redemptive significance of Jesus' death, as it brings forgiveness and reconciliation between God and humanity.

Furthermore, the verse emphasizes the divine sovereignty and foreknowledge of God. Despite Caiaphas' intentions, his words serve as a prophecy that points to the predetermined plan of God for Jesus to die for the salvation of humanity. This underscores the overarching theme of God's providential control over the events of human history and his redemptive purposes. It also highlights the irony of God using the words of an unwitting high priest to prophesy the redemptive work of Christ.

Symbolically, the high priest in the Old Testament served as the mediator between God and the people, offering sacrifices for the sins of the nation. In this verse, Caiaphas unwittingly speaks as a mouthpiece for God's redemptive plan, pointing to Jesus as the ultimate high priest who offers himself as the perfect atoning sacrifice for the sins of the world. The symbolism of the high priest's role is thus fulfilled in Jesus' sacrificial death, as he becomes the ultimate mediator between God and humanity, reconciling them through his atoning work on the cross.

In conclusion, John 11:51 in the context of the larger narrative of the resurrection of Lazarus and the impending plot against Jesus, emphasizes the redemptive significance of Jesus' sacrificial death as the atonement for the sins of humanity. It highlights the theme of substitutionary atonement, God's providential sovereignty, and the symbolism of Jesus as the ultimate high priest and mediator. This verse serves as a powerful reminder of the central message of the Gospel, which is the redemptive work of Jesus Christ on the cross, bringing forgiveness, reconciliation, and eternal life to all who believe in him.