Calvin carefully walks the line between two errors—refusing to divide Christ into two persons or to confuse his natures—arguing that the Son truly became man without ceasing to be God, so that everything Scripture says about Christ must be understood through the unity of his person and the distinction of his natures (John 1:14; Colossians 1:15–17); he shows that some passages reveal Christ’s divinity, others his humanity, and still others both together, which only make sense if we recognize the communication of properties within the one Mediator (Acts 20:28; 1 Corinthians 2:8); and this is not abstract theology—it is the key to understanding salvation itself, since Christ reigns as Mediator for our sake until the end, when the veil is lifted and we behold God directly, confirming both the necessity and the temporary role of his mediatorial office ...