The Oath of God
Hebrews 6:17-20
Wherein God, willing more abundantly to show to the heirs of promise the immutability of his counsel, confirmed it by an oath:…


The Divine hath is one of the mysteries of revelation. To one duly considering the majesty of God, and His relation to His creatures, nothing can be well more awful than His swearing to us, and swearing by Himself.

I. THE MEANING OF THE DIVINE OATH AND ITS GRACIOUSNESS FAIL TO BE CONSIDERED.

1. The Divine oath is represented as analogous to an oath among men, and yet different from it. The design in both is the same; it is for confirmation, whether of a fact or of a promise; and so for the ending of all strife and doubt (vers. 16, 37). There is a difference, however, between the two oaths, arising out of the difference between the parties swearing. Men swear by the greater (ver. 16). But this God cannot do; and therefore He swears by Himself (ver. 17). Still the appeal in both cases is virtually the same. What are the two immutable things which the oath of God, swearing by Himself, brings upon the field! What can they be but the Divine word and the Divine name or nature? Take first the Divine word. That is an immutable thing. The word or promise of God is always sure and trustworthy. But take in now the second of the two immutable things wherein it is impossible for God to lie; His name, His character, His nature, His being and continuing to be such as He is. What new security is thus given? Is it not in substance this: — That God discovers to us a ground or reason of what He designs to do farther back than the mere sovereign and discretionary fiat of His absolute will; deeply fixed and rooted in the very essence of His being? Is it not that He puts the certainty of that to which He swears, not only on the ground of His having intimated it beforehand, but on the ground of a stronger necessity, in the very nature of things, and in His own nature; lying far back and far down, in His being God, and being the God He is? The thing is to he so. not merely because God has said it shall be so, but also because it cannot but be so, God continuing to be, and to be the God He is. This is what, in swearing by Himself, He means to tell us.

2. The graciousness of the oath is as wonderful as its meaning. It is indeed more so. Even among men; if the heart is true, and the eye, even turned on empty space, beams keen with honour: there is a certain feeling of repugnance to being called to swear. And undoubtedly no one who possesses right feeling, as regards the sacredness of a spoken word, will volunteer an oath. It is on this principle that our Lord gives forth His utterance against not only false but promiscuous swearing, It is of evil that this practice of swearing, even when most right and fitting, cometh among men on earth; of the evil of men's deceitfulness, their proneness to prevaricate and lie. It is at the best a necessary evil. And is it anything else when it is God who swears from heaven? Of that oath also, of that oath pre-eminently, may it not be said that it cometh of evil? Not indeed of the evil of anything false or suspicious on the part of Him who swears; but of the evil heart of unbelief in those to whom He swears.

II. THE USES TO WHICH IT IS APPLIED IN SCRIPTURE MAY SERVE STILL FARTHER TO ILLUSTRATE THE REAL IMPORT AND THE GRACIOUSNESS OF THE OATH.

1. We have an instance of the Divine oath in connection with the mediatorial priesthood of Christ. And what is very seasonable and providential, we have an ample inspired explanation of it, as viewed in that connection. I refer to the oracle in Psalm 110:4, as expounded in Hebrews 7. The priesthood of Christ is no mere arbitrary, discretionary ordinance, which, as being expedient to-day, God may institute by His sovereign authority in His word or law, and which, by the same sovereign authority, He may supersede to-morrow, as no longer needed and no longer useful. No; it is an office having its deep root in the very nature, the essential glory and perfection, of God Himself. It is therefore unchangeable, not merely as God's word, but as His very being, is unchangeable. The word of God is indeed immutable, under the conditions attached to it when it is uttered. But it may be, according to these conditions, the basis of what is merely temporary, insufficient, and provisional. What is based on the absolute immutable nature of God must necessarily be both permanent and perfect.

2. Founded on this primary use, if I may so speak, of the Divine oath, as bearing on the constitution of the mediatorial economy in the person and work of the great High Priest, there are other instances of its use in Scripture, connected with the carrying out of that economy, to which it may be interesting and useful to advert.

(1) The Divine oath may be viewed in its bearing on the gospel call. In that connection it occurs often virtually; and expressly it occurs in this at least among other passages: Ezekiel 33:11. Thus viewed, the oath of God is peculiarly significant. It places the assurance which you may have, all of you, any of you, of God's perfect willingness, His earnest longing, to receive you back to Himself, on a footing such as, if you would but consider it, must make you feel that you dare not doubt, and cannot withstand, His affectionate importunity.

(2) The oath of God stands connected with the doom of unbelief. This is one of the most impressive and awful of all its uses. It is indeed a terrible thought. For it means that God executes His threatened judgments, not because He delights in the infliction of evil; nor even because He is determined to verity His word; but because, being such as He is, even He has no alternative!

3. The Divine oath is all-important in its bearing on the security of the believer's hope. That indeed is its immediate application here. The question of your progress and perseverance to the end has been raised; by the reproof and exhortation and warning contained in the previous passage. Your only safety against backsliding and apostasy lies, as you are told, in getting out of the mere elements of the gospel viewed as a method of personal relief, and passing on to the perfection of insight and sympathy, as regards the higher aspects and bearings of it, in relation to the glorious name of God. But, alas 1 one may say, what confidence can I ever have in that line? The perfection to which I am to go on, alas! how distant. The sin into which I may relapse, alas! how near. What is to give me confidence? Is it my own diligence in following; not slothfully, the saints that have gone before? Or is it my own carefulness to depart from the iniquity that dogs my steps behind? No. Both of these conditions are indispensable, but neither of them is to be relied on as giving assurance. But thou art in the hands of a God whose name, and nature, and character thou knowest. And, to put an end to all debate in thy heart, He swears By Himself to thee. He points to His essential perfection. He bids thee consider, not only what He says, but what He is; what thou in Christ hast seen and found Him to be. And He tells thee that, as surely as He is what He is, as surely as He liveth, so surely He pledges Himself to thee, and must keep faith with thee.

4. One other application of the Divine oath I can but touch upon; it is the connection in which it stands with the ultimate triumph of the Lord's Church and cause in the world (Isaiah 45:22, 23). The purpose of God to all the earth with the knowledge of Himself and of His glory is a purpose founded, not upon His mere sovereign word, but upon His essential nature. It is no arbitrary decree, but an absolute necessity of His very being, which requires that the light which has come into the world shall ultimately dispel the world's darkness, and that the kingdom which the God of heaven has set up in the earth shall in the end make all other kingdoms its own. The time may seem long; the struggle arduous and doubtful. But as surely as God continues to be the God He is; as surely as the Lord liveth; so surely shall His gospel make way among the nations, till all the earth is filled with His glory.

(R. S. Candlish, D. D.)



Parallel Verses
KJV: Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed it by an oath:

WEB: In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath;




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