Munus Triplex – The Triple Cure – Christ as Prophet, Priest and King

In the Old Testament, a man could be a prophet, a priest or a King, but it was impossible to be all three. Yet Scripture attributes all three of these offices to Christ. To discover what He does for us as He fulfills these three differing roles is a wonderfully enriching biblical study.

As the ultimate revelation of the Prophet, Christ speaks the word of God to us; as Priest, He represents us fully to the Father and brings the supreme atoning sacrifice (of Himself) that placates the Father’s holy and just wrath against us for our sin; and as the conquering and reigning King, He is forever worthy of our worship and adoration. He is King of Kings and Lord of Lords.

Christ’s threefold office of Prophet, Priest, and King is a central teaching in Reformed Theology, but it is a much neglected theme in much of the modern day Church. The Latin theological term for this is Munus Triplex, also known as “the Triple Cure,” referring to these offices of Christ providing the remedy for us in our fallen condition.

As far as we can tell, it was Eusebius in his Ecclesiastical History (1.3.8) who first described the concept of these three fold offices of Christ. He said that Jesus is “the only high priest of all, and the only king of every creature, and the Father’s only supreme prophet of prophets.” Yet as with most things, it was John Calvin who made the concept widely known by his teaching in the Institutes:

“Therefore, in order that faith may find a firm basis for salvation in Christ, and thus rest in him, this principle must be laid down: the office enjoined upon Christ by the Father consists of three parts. For he was given to be prophet, king and priest.” – Institutes II. xv. 1

This concept was then taken up by others in the Reformation, including Herman Bavinck, as seen in this quote:

“…Christ, both as the Son and as the image of God, for Himself and also as our Mediator and Saviour, had to bear all three offices. He had to be a prophet to know and to disclose the truth of God; a priest, to devote Himself to God and, in our place, to offer Himself up to God; a king, to govern and protect us according to God’s will. To teach, to reconcile, and to lead; to instruct, to acquire and to apply salvation; wisdom, righteousness, and redemption; truth, love, and power – all three are essential to the completeness of our salvation. In Christ’s God-to-humanity relation, He is a prophet; in His humanity-to-God relation He is a priest; in His headship over all humanity He is a king. Rationalism acknowledges only His prophetic office; mysticism only His priestly office; millennialism only His royal office. But Scripture, consistently and simultaneously attributing all three offices to Him, describes Him as our chief prophet, our only [High] priest, and our eternal king. Though a king, He rules not by the sword but by His Word and Spirit. He is a prophet, but His word is power and really happens. He is a priest but lives by dying, conquers by suffering, and is all-powerful by His love. He is always all these things in conjunction, never the one without the other: mighty in speech and action as a king and full of grace and truth in His royal rule.”

The Westminster Shorter Catechism: refers to it in questions 23-26:

Q. 23. What offices doth Christ execute as our Redeemer?

A. Christ, as our Redeemer, executeth the offices of a prophet (Deut 18:18, Heb 1:1-2), of a priest (Heb 4:14-15, Heb 5:5-6),and of a king (Is 9:6-7, Lk 1:32-33, John 18:37, 1 Cor 15:25), both in his estate of humiliation and exaltation.

Q. 24. How doth Christ execute the office of a prophet?

A. Christ executeth the office of a prophet, in revealing to us, by his Word (Heb 2:3) and Spirit (1 Peter 1:11), the will of God for our salvation.

Q. 25. How doth Christ execute the office of a priest?

A. Christ executeth the office of a priest, in his once offering up of himself a sacrifice to satisfy divine justice (Acts 8:32-35), and reconcile us to God (Col 1:21-22), and in making continual intercession for us (Heb 9:24).

Q. 26. How doth Christ execute the office of a king?

A. Christ executeth the office of a king, in subduing us to himself, in ruling and defending us (Col 1:13), and in restraining and conquering all his and our enemies (Col 2:15).

Here is Dr. Kim Riddlebarger teaching on the three fold offices of Christ: Prophet, Priest and King:

The Doctrine of the Trinity: No Christianity Without It

By Kevin DeYoung, Senior Pastor at University Reformed Church in East Lansing, Michigan – original source: https://www.thegospelcoalition.org/blogs/kevin-deyoung/the-doctrine-of-the-trinity-no-christianity-without-it/

If any doctrine makes Christianity Christian, then surely it is the doctrine of the Trinity. The three great ecumenical creeds—the Apostles’ Creed, the Nicene Creed, and the Athanasian Creed—are all structured around our three in one God, underlying the essential importance of Trinitarian theology. Augustine once commented about the Trinity that “in no other subject is error more dangerous, or inquiry more laborious, or the discovery of truth more profitable.” More recently, Sinclair Ferguson has reflected on “the rather obvious thought that when his disciples were about to have the world collapse in on them, our Lord spent so much time in the Upper Room speaking to them about the mystery of the Trinity. If anything could underline the necessity of Trinitarianism for practical Christianity, that must surely be it!”

Yet, when it comes to the doctrine of the Trinity, most Christians are poor in their understanding, poorer in their articulation, and poorest of all in seeing any way in which the doctrine matters in real life. One theologian said, tongue in cheek, “The trinity is a matter of five notions or properties, four relations, three persons, two processions, one substance or nature, and no understanding.” All the talk of essence and persons and co-this and co-that seem like theological gobbledy-gook reserved for philosophers and scholars-maybe for thinky bookish types, but certainly not for moms and mechanics and middle-class college students.

So in a few hundred words let me try to explain what the doctrine of the Trinity means, where it is found in the Bible, and why it matters.
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A Passion for the Trinity

Heresy is not a victimless crime. Theology matters!

On the basis of Scripture itself, Christians throughout the centuries have professed belief in the Holy Trinity, affirming the fact that our one God is eternally existent in three Persons: the Father, the Son and the Holy Spirit, who are co-equal, co-existent and co-eternal. This is because the following three things are very clearly taught in Scripture:

(1) There is only one God, who is eternal and immutable (unchanging). (Deut. 6:4; Isa. 43:10; Mal. 3:6; Mark 12:29; John 17:3; 1 Tim. 2:5; Jam. 2:19)

(2) There are three eternal Persons – the Father, the Son, and the Holy Spirit. These Persons are never identified with one another – that is, they are carefully differentiated as distinct Persons. The Father is not the Son, nor the Son the Holy Spirit, and nor is the Holy Spirit the Father. (Matt: 3:13-17; 28:19; Luke 10:22; John 1:1, 2; 3:16, 17; 15:26; 16:7; 17:1-26; 2 Cor. 13:14)

(3) The Father, the Son, and the Spirit, are identified as being full Deity – that is, the Bible teaches the Deity of the Father, the Deity of Christ and the Deity of the Holy Spirit. (Isa. 9:6; John 17:3; John 1:1, 18; 8:58; 20:28; Phil. 2:5-11; Col. 2:9; Titus 2:13; Heb 1:8; 2 Pet. 1:1; Acts 5:3, 4; 2 Cor. 3:17, 18)

Every new generation of Christians must contend for the faith once and for all delivered to the saints (Jude: 4). In this video below, Dr. James White, author of the book “The Forgotten Trinity,” teaches a session on this same theme, at a time when there is widescale apathy concerning defending this essential and vital doctrine.