At Calvary God was laying your iniquity on his Son. God was taking your sins and punishing them in him. His blood was shed that your sins might be blotted out. That is the only answer and the only explanation for Christ’s death.
Martn Lloyd Jones
From the book "Authentic Christianity: v. 6: Sermons on the Acts of the Apostles (Authentic Christianity: Sermons on the Acts of the Apostles)"