Devotional 44 of 171

The Son Appointed Mediator: The Eternal Counsel of Redemption

Ch.8: Of Christ the Mediator — Section 1 • 2026-06-11 • 36 min

The Confession Read

It pleased God, in his eternal purpose, to choose and ordain the Lord Jesus, his only-begotten Son, to be the Mediator between God and man, the Prophet, Priest, and King; the Head and Saviour of his Church, the Heir of all things, and Judge of the world; unto whom he did, from all eternity, give a people to be his seed, and to be by him in time redeemed, called, justified, sanctified, and glorified.
— Westminster Confession of Faith, Chapter 8, Section 1

Introduction

Before the first star was kindled and the first mountain thrust upward from the deep, before Adam drew breath in the garden or the serpent coiled around the tree. Before any of these things had being, a conversation took place. It was not a conversation of words, for words belong to time and this was before time. It was an eternal counsel within the triune God: the Father purposing, the Son undertaking, the Spirit consenting. The subject of this counsel was us. We are accustomed to thinking of our salvation as something that began when we first believed, or perhaps when Christ died on Calvary, or perhaps when the promise was given to Abraham. But the Confession pushes our gaze further back than any of these, back before creation itself, to the eternal purpose of God. Before you ever sinned, before Adam ever sinned, before the world was framed, God the Father chose and ordained His only-begotten Son to be the Mediator of a people yet uncreated, yet unfallen, yet unloved, though loved they would be with an everlasting love that had no beginning. Chapter 8 of the Confession bears the title "Of Christ the Mediator," and with this title we arrive at the center of the Reformed system of doctrine. Everything that precedes—the doctrine of Scripture, the Trinity, the eternal decree, creation, providence, the fall, the covenants—has been leading to this. The Mediator is the answer to the catastrophe of Genesis 3, the fulfillment of every covenant promise, the substance of every type and shadow, the one in whom all the purposes of God converge. As Paul writes, "it pleased the Father that in him should all fulness dwell" (Colossians 1:19). And as the Confession will unfold across eight rich sections, everything we need to know about Christ (His person, His natures, His offices, His work, His benefits) rests on the foundation laid here in Section 1: the eternal counsel by which the Son was appointed to be all that a ruined race required. This section is often called the pactum salutis, the covenant of redemption: that intra-Trinitarian agreement by which the Father gives a people to the Son and the Son undertakes to redeem them. Not every Reformed theologian has used this precise terminology, and the Confession itself does not employ the phrase. But the substance of the doctrine is unmistakably present. Before the covenant of works was made with Adam, before the covenant of grace was revealed to sinners, there was a covenant within the Godhead: the Father choosing, the Son consenting, the Spirit pledged. And at the heart of this eternal compact stands a people—a particular people, known by name, given to the Son as His inheritance and His reward.

Scripture Foundation

The Confession does not fashion its doctrine from theological speculation but from the weave of Scripture itself. Let us trace the threads. The prophet Isaiah speaks of the Servant of the Lord in language that the apostles would later recognize as a portrait of Christ. In Isaiah 42:1, we read: "Behold my servant, whom I uphold; mine elect, in whom my soul delighteth; I have put my spirit upon him: he shall bring forth judgment to the Gentiles." The Father speaks of the Son as His chosen Servant, the object of His eternal delight. The Hebrew word bachir, translated "mine elect," points to a choice made not in time but in purpose: a selection rooted in the divine will before the foundation of the world. And this Servant is not sent empty-handed; the Father puts His Spirit upon Him, equipping Him for the work He is ordained to perform. The passage stands as an Old Testament anticipation of what the Confession declares: God chose and ordained the Lord Jesus to His mediatorial office. The apostle Peter anchors this truth even more explicitly in eternity past. In 1 Peter 1:18-20, we read that believers were redeemed "with the precious blood of Christ, as of a lamb without blemish and without spot: who verily was foreordained before the foundation of the world, but was manifest in these last times for you." The Greek word translated "foreordained" is proegnōsmenou, a perfect passive participle from proginōskō. It does not refer only to divine foresight, as if God looked down the corridors of time and saw Christ coming. It refers to a prior determination, a setting apart, a choosing in advance. Christ was not an emergency measure, a backup plan activated when Adam fell. He was "foreordained before the foundation of the world," before the crisis, before the garden, before the first atom of creation. The cross was not God's response to an unforeseen disaster. It was God's purpose from the beginning. Paul sharpens this truth with the precision of a master theologian in his first letter to Timothy. 1 Timothy 2:5-6 declares: "For there is one God, and one mediator between God and men, the man Christ Jesus; who gave himself a ransom for all, to be testified in due time." The word "mediator" is mesitēs, a term drawn from the legal and diplomatic vocabulary of the ancient world: one who stands between two parties at variance, representing each to the other, negotiating peace, bearing the interests of both. But Paul adds a dimension the Greek world never imagined: this Mediator "gave himself a ransom." He did not negotiate terms alone; He paid the price. The Greek antilutron is a substitutionary ransom, a payment made in the place of another. Christ the Mediator is not a neutral arbitrator; He is a sacrificial surety who stands in the sinner's place and bears the sinner's debt. And this, Paul says, was "testified in due time," revealed in history but grounded in eternity. The clearest glimpse into the eternal counsel, however, comes from the lips of the Son Himself in His high priestly prayer. In John 17:1-6, Jesus lifts His eyes to heaven and speaks with the Father in words that pull back the curtain on the pactum salutis. "Father, the hour is come; glorify thy Son, that thy Son also may glorify thee: as thou hast given him power over all flesh, that he should give eternal life to as many as thou hast given him." Here is the language of eternal gift and mutual glorification. The Father has given a people to the Son, not all flesh, but "as many as thou hast given him." And the Son, in turn, undertakes to "give eternal life" to every one of them. This is covenant language, the language of promise and obligation between the Father and the Son. A few verses later, Jesus says: "I have manifested thy name unto the men which thou gavest me out of the world: thine they were, and thou gavest them me." Before they ever came to Christ in faith, before they were born, before the world was made, the Father gave them to the Son. Their salvation rests on a transaction older than time. The golden chain of salvation that closes Section 1, "redeemed, called, justified, sanctified, and glorified," finds its clearest New Testament expression in Paul's letter to the Romans. Romans 8:30 declares: "Moreover whom he did predestinate, them he also called: and whom he called, them he also justified: and whom he justified, them he also glorified." Paul's chain has four links; the Confession expands it to five, placing "redeemed" at the front to anchor the whole sequence in the objective work of Christ. But the logic is identical: every link is forged in eternity, and the chain cannot be broken. Those whom the Father gave to the Son are infallibly brought through every stage of salvation to final glory. Not one is lost along the way. The aorist tense of Paul's verbs, edikaiōsen (justified) and edoxasen (glorified), places these acts in the past tense, as if already accomplished. From God's eternal perspective, they are. The certainty of your salvation does not rest on the strength of your faith but on the unbreakable chain of divine purpose.

What the Divines Meant

When the Westminster Assembly took up the doctrine of Christ the Mediator in the 1640s, they were not codifying a novel invention. They were summarizing truths that had been recovered with fresh clarity during the Reformation and refined through decades of controversy. At least three errors pressed upon the Divines as they composed this opening section, and the precision of their language answers each one. The first error was Socinianism. Faustus Socinus and his followers denied the eternal deity of Christ, teaching that Jesus was a mere man, virgin-born and supernaturally endowed, but a creature nonetheless. On this scheme, Christ could not have been the object of an eternal divine purpose in the sense the Confession intends. He was not chosen "from all eternity" because He did not exist from all eternity. The Divines answered by declaring that Christ is "his only-begotten Son," the language of John 1:14 and 1:18, monogenēs, denoting not a created being but one who shares the very nature of the Father. An eternal purpose requires an eternal Person. The one whom God "chose and ordained" to be Mediator already existed in the bosom of the Father before time began. He was not adopted into the role; He was appointed to it as the eternal Son, co-equal and co-essential with the Father. The second error was Arminianism, or more precisely, the Remonstrant theology that the Synod of Dort had condemned. The Remonstrants taught that God's election was based on foreseen faith: that God looked ahead through history, saw who would believe, and on that basis chose them. Applied to Christ, this would mean that Christ's appointment as Mediator was God's response to the fall, a plan B formulated after plan A had failed. The Confession demolishes this notion by placing the divine choice "in his eternal purpose." God did not react to the fall; He purposed it within a larger design that included redemption from before the foundation of the world. The crucifixion of Christ, as Peter declared at Pentecost, took place "by the determinate counsel and foreknowledge of God" (Acts 2:23). The cross was not a contingency; it was a certainty, rooted in the eternal counsel of the triune God. The third error was a vague universalism that spoke of Christ dying for all men without distinction but refused to affirm that He died with particular intention for a definite people. The Divines answered this by inserting the crucial clause: "unto whom he did, from all eternity, give a people to be his seed." The language echoes Isaiah 53:10, "he shall see his seed," and John 17:6, "the men which thou gavest me out of the world." Christ did not come to make salvation possible for all; He came to make salvation actual for a specific people given to Him by the Father. As He Himself prayed, "I pray not for the world, but for them which thou hast given me" (John 17:9). The Confession's particularism is not a cold doctrinal calculation but a warm pastoral assurance. If Christ died for you, He died for you particularly, personally, intentionally, and His death cannot fail to accomplish your salvation. A.A. Hodge, the Princeton theologian whose commentary on the Confession became a standard work for generations of Presbyterian ministers, draws out a subtle but crucial point about the phrase "choose and ordain." To choose, Hodge observes, is to select from among possible alternatives; to ordain is to appoint to an office with specific duties and prerogatives. The Father chose the Son—not an angel, not a mere man, but the eternal Son—and ordained Him to a threefold office: Prophet, Priest, and King. This threefold office, the munus triplex, had been recovered by Calvin in the Reformation and became the standard Reformed way of organizing Christ's work. As Prophet, He reveals God's will; as Priest, He offers the sacrifice and makes intercession; as King, He rules and defends His people. No single office would suffice. The sinner needs a Prophet to overcome his ignorance, a Priest to remove his guilt, and a King to subdue his rebellion. In Christ, all three converge. He is not a partial Savior for partial sinners. He is a complete Mediator for complete ruin. Robert Shaw, the Scottish Presbyterian whose exposition of the Confession has instructed generations, emphasizes the significance of the additional titles: "the Head and Saviour of his Church, the Heir of all things, and Judge of the world." These are not ornamental. They establish the scope of Christ's mediatorial dominion. As Head of the Church, He is the source of its life, the governor of its affairs, the one from whom the whole body "fitly joined together and compacted by that which every joint supplieth" (Ephesians 4:16) derives its growth. As Saviour—the only name given under heaven by which we must be saved—He is the exclusive author of eternal salvation. As Heir of all things, He is the appointed Lord of creation, the one for whom and through whom all things were made, whose inheritance is the nations and the ends of the earth. And as Judge of the world, He is the one before whom every knee shall bow and every tongue confess. The Mediator who came in humility will return in majesty; the Lamb who was slain will sit upon the throne; the Advocate who pleads for His people will pronounce the final verdict. There is no sphere of existence over which Christ does not exercise mediatorial lordship.

Theological Depth

The Reformed tradition has explored the depths of this section with a thoroughness that repays careful attention. Let us listen to four of its voices. Thomas Goodwin, the Congregationalist divine whom his contemporaries called "the Atlas of Independency" for his theological weight, opened his magisterial work The Heart of Christ in Heaven with a sustained meditation on the eternal transactions between the Father and the Son. For Goodwin, the pactum salutis was not a speculative curiosity for professional theologians. It was a deep source of comfort for the believing soul. If Christ undertook to save a specific people in eternity, then His heart toward them cannot have changed in time. The love He bears them now is the same love with which He received them from the Father before the world began. Goodwin presses this to its pastoral conclusion: if Christ has already agreed, in covenant with the Father, to be your Mediator, then He cannot cast you off. He would be unfaithful to His own eternal commitment. Your assurance rests not on the constancy of your love for Christ but on the constancy of His love for you, a love that antedates your existence and will outlast the world. Goodwin develops a further insight that illuminates the Confession's language about Christ being "chosen" to this office. The act of choosing implies the will, and the will implies the affections. When the Father chose the Son to be Mediator, it was an act of eternal delight: "mine elect, in whom my soul delighteth" (Isaiah 42:1). And when the Son undertook the work, He did so willingly, not under compulsion. "Lo, I come... I delight to do thy will, O my God" (Psalm 40:7-8). The pactum salutis was not a cold legal transaction but the expression of the mutual love of the Father and the Son, a love so full that it overflowed to embrace a people who would be given to the Son as His bride. This means that your salvation is not only a legal arrangement; it is a love-gift from the Father to the Son. The Father loved the Son so much that He gave Him a people. The Son loved the Father so much that He died for them. And the Spirit loves both so much that He applies the Son's work to every one. The covenant of redemption is a covenant of love within the Godhead, and you, believer, are the beneficiary of that eternal affection. Francis Turretin, the Genevan theologian whose Institutes of Elenctic Theology represents the high-water mark of Reformed scholasticism, addresses an objection that has troubled many sincere believers. If Christ's mediatorial work was determined before the foundation of the world, does this not make the fall a mere charade? If God's eternal purpose included redemption, then sin must have been part of the plan from the beginning. Turretin answers by distinguishing between God's decree and the order of execution. In the decree, all things are simultaneous: no before, no after, for the decree is an eternal act. But in execution, things follow an order: creation, fall, incarnation, crucifixion, resurrection, application, glorification. The fall was a real historical event with real moral responsibility, and Christ's mediation is a real historical response to that event. Yet both fall and redemption were comprehended in a single eternal purpose. Turretin cautions against what he calls "confounding the decree with its execution." The decree includes all things; the execution unfolds in the order God has appointed. What we see in time as cause and effect, problem and solution, was purposed in eternity as a single harmonious design. Calvin's contribution to the doctrine of Christ's offices deserves particular attention, for the munus triplex was a significant recovery of the Reformation. In the medieval church, Christ's work had been fragmented: the priestly office had been absorbed into the Mass, the prophetic office into the teaching magisterium of the church, and the kingly office into the papacy. Calvin reunited them in the person of Christ alone. In his Institutes, Calvin writes that "faith cannot apprehend Christ as given to us by the Father for our salvation unless it recognizes these three parts of his office." To know Christ as Prophet is to sit at His feet as a disciple, receiving the Word from His lips and refusing to go beyond what He has taught. To know Christ as Priest is to rest in His once-for-all sacrifice and His perpetual intercession, rejecting every attempt to supplement His work with human merit. To know Christ as King is to submit to His rule in every area of life, acknowledging that His kingdom is not of this world yet governs this world, that His laws are wise, His protection sure, and His ultimate victory certain. But Calvin adds an observation that deepens the comfort of the munus triplex: Christ executes these offices for the church as a whole and for each believer in particular. He is your Prophet, teaching you the way of salvation. He is your Priest, having offered Himself for your sins and now interceding for you by name. He is your King, defending you against your enemies and ruling your heart by His Word and Spirit. The offices are not abstract categories; they are personal relations. And this personal dimension is grounded in the eternal purpose: the Father gave you to the Son, and the Son accepted you as part of His inheritance. The doctrine of the pactum salutis is the guarantee that Christ's mediatorial work is not a general offer but a particular commitment. A.A. Hodge draws our attention to the fivefold chain with which the section concludes: "redeemed, called, justified, sanctified, and glorified." Each word is a distinct link in the application of redemption, and each is as certain as the eternal purpose from which it flows. Redemption (apolutrōsis) is the objective accomplishment, the payment of the ransom price at Calvary. Effectual calling is the subjective application, the Spirit's irresistible summons that brings the dead sinner to life. Justification is the forensic declaration, the imputation of Christ's righteousness to the believer. Sanctification is the progressive transformation, the gradual conformity of the whole person to the image of Christ. Glorification is the final consummation, the full and everlasting possession of all the benefits of redemption in the presence of God. And Hodge insists that every link in this chain is connected to every other by the unbreakable bond of God's eternal purpose. The same God who chose you in Christ before the foundation of the world will not abandon you midway. He who began the good work will complete it. The fivefold chain is not a ladder you climb but a chain that holds you, anchored in eternity and extending into glory. The Puritan Thomas Watson, whose gift for aphorism made him one of the most quoted of the seventeenth-century divines, captures the practical force of this truth in a single sentence: "God's decree is the very pillar and basis on which the Christian's assurance hangs." Watson understood that assurance is impossible unless salvation originates in something more stable than human decision. If the chain of salvation begins with your choosing Christ, then the chain is only as strong as your choice, and you know how fickle your choices can be. But if the chain begins with God choosing you in Christ before the world began, then the chain is as strong as God. Your faith may waver, your love may grow cold, your obedience may falter, but God's purpose stands. "The foundation of God standeth sure, having this seal, The Lord knoweth them that are his" (2 Timothy 2:19). This is the pastoral payoff of a doctrine so high that it seems beyond the reach of ordinary believers. It is the truth that makes ordinary believing possible, for what could be more stabilizing than the knowledge that your salvation rests in hands older than the stars?

Puritan Application

First, let this doctrine humble every pretension to self-salvation. The eternal purpose of God to choose and ordain Christ as Mediator is the death of every human scheme to climb to heaven. If salvation required a Mediator chosen in eternity, then salvation is not something you can accomplish by your sincerity, your morality, your religious observance, or your intellectual assent. The Socinian says, "I will follow Christ's example." The moralist says, "I will live a good life." The mystic says, "I will ascend by contemplation." The Confession answers them all: no Mediator, no salvation. And the only Mediator is the one God ordained. You did not choose Him; He was chosen for you by the Father before you existed. You did not appoint Him; He was appointed in the eternal counsel. Your part is not to negotiate terms or propose alternatives but to receive the Mediator God has provided, on the terms God has set. This humbles the proud heart that imagines it can contribute something to its own salvation. You brought nothing to the eternal counsel, and you bring nothing to its application. Grace is grace from first to last, from the Father's choice in eternity to the Spirit's application in time, through the Son's mediation at every point. Second, let the particularity of Christ's mediation fill you with holy wonder. The Father did not give the Son a vague mass of humanity, an unspecified multitude whose identity would be determined by their own free choices. He gave Him a definite people, known by name, loved with an everlasting love, inscribed upon His hands. When Christ hung upon the cross, He was not dying for an abstraction. He was dying for you, specifically, personally, intentionally. When He rose from the grave, He rose as your representative, your federal head, your forerunner into glory. When He intercedes at the right hand of the Father, He mentions you by name. The Shepherd knows His sheep, and the sheep were given to Him by the Father before time began. Let this truth silence every doubt that whispers that Christ's death might somehow fail to save you. If the Father gave you to the Son, and the Son died for you, and the Spirit has called you to faith, then your salvation is as certain as the throne of God. The word "if" has no place in this equation. You are not hoping that you might be among the elect. You are resting in the Mediator who can lose none of those the Father has given Him. Third, let the threefold office of Christ meet every dimension of your need. Many believers live as though Christ were only a Priest: they trust His sacrifice, they lean on His intercession, but they neglect His prophetic teaching and resist His kingly rule. Others treat Him as a Prophet: they study His words, they admire His ethics, but they never flee to His blood for cleansing or submit to His lordship over their daily lives. The Confession will not permit us to divide Christ's offices. He is Prophet, Priest, and King, and He must be received in all three capacities or in none. Are you ignorant of God's will? Sit at the feet of Christ the Prophet, and let His Word dwell in you richly. Are you burdened with guilt? Flee to Christ the Priest, whose blood cleanses from all sin and whose intercession never ceases. Are you struggling with indwelling sin? Bow before Christ the King, whose scepter is a scepter of righteousness and whose power is made perfect in your weakness. The Mediator God has provided is sufficient for every need, but His sufficiency is accessed through His offices. A half-Christ saves no one. Receive Him whole. Fourth, let the fivefold chain of salvation anchor your hope in every season of doubt. There will be days when you cannot feel your calling, when the Spirit seems distant and your heart feels like stone. There will be days when you cannot feel your justification, when guilt rises like a flood and the accuser's voice drowns out the gospel. There will be days when you cannot feel your sanctification, when the same sins return with the same power and you wonder whether any real change has taken place. On those days, do not look within for evidence. Look back, further back than your conversion, further back than your birth, further back than creation, to the eternal purpose of God. The Father gave a people to the Son. The Son undertook to redeem, call, justify, sanctify, and glorify them. And the Spirit was sent to apply every link of this chain to every one of them. Your feelings are a poor index of God's faithfulness. The chain of salvation is not held together by your emotions; it is held together by the eternal purpose of the triune God. "Whom he did predestinate, them he also called: and whom he called, them he also justified: and whom he justified, them he also glorified." The past tense of divine certainty is the anchor of present faith. Fifth, let the eternal perspective of this doctrine reorder your priorities and your anxieties. If Christ was chosen as Mediator before the foundation of the world, then the whole of human history is the stage on which His mediatorial work is displayed. The rise and fall of empires, the tumult of nations, the ordinary labors of ordinary days: all of it serves the purpose of gathering in the people given to the Son. Your life, with its particular sorrows and joys, its apparent randomness and its hidden design, is not outside this purpose but inside it. The same eternal counsel that appointed Christ as Mediator also determined the circumstances in which you would hear the gospel, the moment you would be effectually called, the trials that would drive you to dependence, the sanctifying providences that are shaping you for glory. Nothing in your life is accidental. Every detail is ordered by the God who ordered redemption itself. This does not make suffering easy, but it makes it meaningful. It does not answer every "why," but it assures you that there is an answer, and that the answer is love, the same love that moved the Father to give you to the Son and the Son to die for you and the Spirit to dwell in you. Live, then, not as one who is groping in the dark, but as one who knows that the darkness itself is the shadow of an eternal purpose.

Prayer

O Father of our Lord Jesus Christ, whose eternal purpose was framed before the mountains were brought forth, before the earth and the world were made, we bow before Thee in adoration at the counsels of Thy will. Thou art the God who workest all things after the counsel of Thine own will, and in that counsel Thou didst choose and ordain Thine only-begotten Son to be the Mediator between Thyself and sinful men. We confess that this truth is too high for us; we cannot attain unto it. The eternal transactions between the Father and the Son, the covenant of redemption sealed before time began, the people given to Christ as His inheritance and reward: these are depths we cannot plumb. Yet Thou hast revealed them, and we receive them with humble faith, not because we comprehend them, but because Thou hast spoken. We bless Thee, O Christ, for undertaking this office. Thou didst not seize it for Thyself, but wast called by the Father, and Thou didst freely and gladly consent, saying, "Lo, I come to do Thy will, O God." Thou art our Prophet, and we thank Thee that Thou hast revealed the Father to us, that Thou hast spoken the words of eternal life, that Thy teaching is truth without mixture of error. Thou art our Priest, and we thank Thee that Thou hast offered Thyself as the one sacrifice for sins forever, that Thy blood speaks a better word than the blood of Abel, that Thou ever livest to make intercession for us. Thou art our King, and we thank Thee that Thy throne is established in righteousness, that Thy kingdom cannot be shaken, that all authority in heaven and earth is Thine, and that Thou rulest over all things for the good of Thy Church. We bless Thee, O Holy Spirit, for Thine office in the eternal purpose. Thou who didst rest upon the Mediator without measure, who didst equip Him for His work and sustain Him in His suffering, Thou hast come to us as the Spirit of Christ, to apply what Christ has accomplished. Thou hast called us out of darkness into marvelous light; Thou hast united us to Christ by faith; Thou dost bear witness with our spirits that we are children of God; Thou art sanctifying us, mortifying our sins, quickening our graces, sealing us for the day of redemption. Grant, we pray, that the doctrine of Thine eternal purpose may be to us not a cold speculation but a living comfort. When doubts assail and fears arise, anchor our souls in the certainty that we were given to the Son before the world began. When sin accuses and conscience condemns, point us to the Mediator who has satisfied divine justice and silenced every charge. When the world tempts and the flesh entices, remind us that we belong to Another, purchased with blood, and are no longer our own. And when death draws near, let the fivefold chain sustain us: redeemed by the Son, called by the Spirit, justified before the Father, sanctified in this life, and destined for glory, a glory that shall swallow up every sorrow and make us like Him, for we shall see Him as He is. Thou hast promised that the Son shall see His seed and be satisfied. Fulfill Thy promise, O God. Gather in every one of those whom Thou hast given Him. Let not one be lost. And bring us at last, with all the redeemed from every tribe and tongue and people and nation, to the throne of the Lamb, where we shall see His face and His name shall be upon our foreheads and we shall reign with Him forever. Through Jesus Christ our Mediator, to whom with the Father and the Holy Spirit be all honor and glory, world without end. Amen.
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