Theologian J. I. Packer delivered an historic defense of objective significance of the cross in “What Did the Cross Achieve? The Logic of Substitutionary Atonement,” his 1973 Tyndale Biblical Theology Lecture at Cambridge University.
Packer starts by describing that the penal substitutionary understanding of the atonement “by and large, is a distinguishing mark of the world-wide evangelical fraternity.” It is noteworthy that Packer expected his audience to accept that statement at face value. Just over thirty years ago it was safe to assume that most evangelicals understood the penal substitutionary view to be paramount.
In his words:
Broadly speaking, there have been three ways in which Christ’s death has been explained in the church. Each reflects a particular view of the nature of God and our plight in sin, and of what is needed to bring us to God in the fellowship of acceptance on his side and faith and love on ours. It is worth glancing at them to see how the idea of substitution fits in with each.
There is first, the type of account which sees the cross as having its effect entirely on men, whether by revealing God’s love to us, or by bringing home to us how much God hates our sins, or by setting us a supreme example of godliness, or by blazing a trail to God which we may now follow, or by so involving mankind in his redemptive obedience that the life of God now flows into us, or by all these modes together. It is assumed that our basic need is lack of motivation Godward and of openness to the inflow of divine life; all that is needed to set, us in a right relationship with God is a change in us at these two points, and this Christ’s death brings about. The forgiveness of our sins is not a separate problem; as soon as we are changed we become forgivable, and are then forgiven at once. This view has little or no room for any thought of substitution, since it goes so far in equating what Christ did for us with what he does to us.
A second type of account sees Christ’s death as having its effect primarily on hostile spiritual forces external to us which are held to be imprisoning us in a captivity of which our inveterate moral twistedness is one sign and symptom. The cross is seen as the work of God going forth to battle as our champion, just as David went forth as Israel’s champion to fight Goliath. Through the cross these hostile forces, however conceived — whether as sin and death, Satan and his hosts, the demonic in society and its structures, the powers of God’s wrath and curse, or anything else — are overcome and nullified, so that Christians are not in bondage to them, but share Christ’s triumph over them. The assumption here is that man’s plight is created entirely by hostile cosmic forces distinct from God; yet, seeing Jesus as our champion, exponents of this view could still properly call him our substitute, just as all the Israelites who declined Goliath’s challenge in 1 Samuel 17:8-11 could properly call David their substitute. Just as a substitute who involves others in the consequences of his action as if they had done it themselves is their representative, so a representative discharging the obligations of those whom he represents is their substitute. What this type of account of the cross affirms (though it is not usually put in these terms) is that the conquering Christ, whose victory secured our release, was our representative substitute.
The third type of account denies nothing asserted by the other two views save their assumption that they are complete. It that there is biblical support for all they say, but it goes further. It grounds man’s plight as a victim of sin and Satan in the fact that, for all God’s daily goodness to him, as a sinner he stands under divine judgment, and his bondage to evil is the start of his sentence, and unless God’s rejection of him is turned into acceptance he is lost for ever. On this view, Christ’s death had its effect first on God, who was hereby propitiated (or, better, who hereby propitiated himself), and only because it had this effect did it become an overthrowing of the powers of darkness and a revealing of God’s seeking and saving love. The thought here is that by dying Christ offered to God what the West has called satisfaction for sins, satisfaction which God’s own character dictated as the only means whereby his ‘no’ to us could become a ‘yes’, Whether this Godward satisfaction is understood as the homage of death itself, or death as the perfecting of holy obedience, or an undergoing of the God-forsakenness of hell, which is God’s final judgment on sin, or a perfect confession of man’s sins combined with entry into their bitterness by sympathetic identification, or all these things together (and nothing stops us combining them together), the shape of this view remains the same — that by undergoing the cross Jesus expiated our sins, propitiated our Maker, turned God’s ‘no’ to us into a ‘yes’, and so saved us. All forms of this view see Jesus as our representative substitute in fact, whether or not they call him that, but only certain versions of it represent his substitution as penal.
Packer’s defense of the substitutionary character of Christ’s atonement is irenic, thoughtful, understandable, and very difficult to refute. In his judgment, the substitutionary aspect of the atonement is “the heart of the matter.” In its essence, this is just a clear and biblical way of affirming the great truth that Jesus died for our sins.
We can only pray that this truth will be once again “a distinguishing mark of the world-wide evangelical fraternity.”
R. Albert Mohler Jr.
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