John Murray: Eternity will not exhuast the wonder and glory of Christ's atoning sacrifice

The lost will eternally suffer in the satisfaction of justice. But they will never satisfy it. Christ satisfied justice. “The Lord hath laid on him the iniquity of us all” (Isa. 53:6). He was made sin and he was made a curse. He bore our iniquities. He bore the unrelieved and unmitigated damnation of sin, and he finished it. That is the spectacle that confronts us in Gethsemane and on Calvary. … Here we are spectators of a wonder the praise and glory of which eternity will not exhaust. It is the Lord of glory, the Son of God incarnate, the God-man, drinking the cup given him by the eternal Father, the cup of woe and of indescribable agony. We almost hesitate to say so. But it must be said. It is God in our nature forsaken of God. The cry from the accursed tree evinces nothing less than the abandonment endured vicariously because he bore our sins in his own body on the tree. There is no analogy. He himself bore our sins and of the people there was none with him. There is no reproduction or parallel in the experience of archangels or of the greatest saints. The faintest parallel would crush the holiest of men and the mightiest of the angelic host (John Murray, Redemption Accomplished and Applied, pp. 77-78. Grand Rapids, MI: Eerdmans, 1955).
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Thought and expression stagger in the presence of the spectacle that confronts us in the vicarious sin-bearing of the Lord of glory. Here we must realize that we are dealing with the mystery of godliness, and eternity will not reach the bottom of it nor exhaust its praise. Yet it is ours to proclaim it and continue the attempt to expound and defend its truth (p. 5).