Of the Covenant between God the Father and the Son | Monergism
by Herman WitsiusI. IN order the more thoroughly to understand the nature of the covenant of grace, two things are above all to be distinctly considered.
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Of the Covenant between God the Father and the Son
BY HERMAN WITSIUS
I. IN order the more thoroughly to understand the nature of the covenant of grace, two things are above all to be distinctly considered. First, the covenant which intervenes between God the Father and Christ the Mediator. Secondly, That testamentary disposition by which God bestows, by an immutable covenant, eternal salvation, and every thing relative thereto, upon the elect. The former agreement is between God and the Mediator: the latter, between God and the Elect. This last pre-supposes the first, and is founded upon it.II. When I speak of the compact between the Father and the Son, I thereby understand the will of the Father, giving the Son to be the head and Redeemer of the elect; and the will of the Son, presenting himself, as a sponsor or surety for them; in all which the nature of a compact and agreement consists.
The Scriptures represent the Father, in the economy of our salvation, as demanding the obedience of the Son even unto death, and, upon condition of that obedience, promising him in his turn that name which is above every name, even that he should be the head of the elect in glory;
but the Son, as presenting himself to do the will of the Father, acquiescing in that promise, and in fine, requiring by virtue of the compact, the kingdom and glory promised to him. When we have clearly demonstrated all these particulars from Scripture, it cannot, on any pretence, be denied, that there is a compact between the Father and the Son, which is the foundation of our salvation. But let us proceed distinctly.
1st, By producing such places of Scripture as speak only in general, but yet expressly, of this compact.
2dly, By more fully unfolding the particulars which complete or constitute this compact.
3dly, By invincibly proving the same from the nature of the sacraments, which Christ also made use of.
III. Christ himself speaks of this compact, in express words, Luke 22:29: Κἀγὼ διατίθεμαι ὑμῖν, καθώς διέθετό μοι ὁ πατήρ μου βασιλείαν, 'And I engage by covenant unto you a kingdom, as my Father hath engaged by covenant unto me.' In which words the Lord Jesus says, that by virtue of some covenant or disposition he obtains a kingdom, as we also obtain it by virtue of the same.
IV. And, Heb. 7:22, where he is said to be 'a surety of a better covenant,' or testament. But he is called the surety of a testament, not principally on this account, because he engages to us for God and his promises, or, because he engages for us, that we shall obey; as Moses intervened as a surety between God and the Israelites, Exod. 19:3–8. For by how much Christ was greater than Moses, in so much he was also a surety, in a more excellent manner. His suretiship consists in this, that he himself undertook to perform that condition, without which, consistently with the justice of God, the grace and promises of God could not reach unto us; but being once performed, they were infallibly to come to the children of the covenant. Unless then we would make void the suretiship of Christ, and gratify the Socinians, the very worst perverters of Scripture, it is necessary we conceive of some covenant, the conditions of which Christ took upon himself; engaging in our name with the Father, to perform them for us; and that having performed them, he might engage to us for the Father, that we should certainly have grace and glory bestowed upon us.
V. Moreover, Gal. 3:17, Paul mentions a certain διαθήκη, covenant, or testament, 'that was confirmed before of God in Christ.' Where the contracting parties are, on one side God, on the other Christ; and the agreement between both is ratified. But lest any should think that Christ is here only considered as the executor of the testament bequeathed to us by God, the apostle twice repeats, that Christ was not promised to us, or that salvation was not promised to us through Christ, though that be also true; but that the promises were made to Christ himself, verse 16. That Christ was that seed, ὧ ἐπαγγήλται, to which he had promised, or, to which the promise was made; namely, concerning the inheritance of the world and the kingdom of grace and glory. It is evident, therefore, that the word διαθήκη does here denote some covenant or testament, by which something is promised by God to Christ. Nor do I see what can be objected to this, unless by Christ we should understand the head, together with the mystical body, which with Christ is that one seed, to which the promises are made. This indeed we shall not refuse, if it also be admitted that Christ, who is the head, and eminently the seed of Abraham, be on no account excluded from these promises, especially as the promises made to his mystical body ought to be considered as made to himself; since he also himself hath 'received gifts for men,' Ps. 68:19.