Illustrating Trinity

There are at least three approaches to understanding Trinity.

The Rational Approach. It seeks to find in the doctrine of Trinity a rational ground for the absolute nature of Truth. Truth implies absoluteness of knowledge in a subject-object relationship, which would be groundless if God were a monad. Therefore, Trinity proves to be a solid ground for the possibility of knowledge. Similarly, personality finds its best explanation in the personal nature of God, whose existence as three persons (I-YOU-HE Sufficiency) in one Godhead is the ground of personhood.

The Moral Approach. It seeks to find in the doctrine of Trinity a rational ground for the absolute nature of moral virtues, such as love, goodness, and joy. If God didn’t eternally exist in a subject-object relationship, then He would be amoral and morality would not be absolute. The doctrine of Trinity provides a rational ground for any discussion of morality with respect to its absolute nature.

The Empirical Approach. Some have suggested the analogy of the Sun (Sun-Sunlight-Sunheat). Nathan Wood used the now popular 1x1x1=1 analogy with instances from space and time (e.g. Length x Breadth x Height = Space; Past x Present x Future = Time). Still others used more naturalistic analogies; however, these could lead to tri-partiatism or Sabellianism (e.g. these are not acceptable: Water-Steam-Ice; Three parts of humans, etc).

Whatever the method be, there is no arguing the fact that the Trinity is a mystery and attempts to try to explain God could only land one in absurdity. We don’t still understand the mystery of the universe so much, nor of the human mind as it is; how much more difficult to understand the being of God? It would be more disastrous than attempting to explain miracles in order to prove the possibility of miracles. This would be impossible. While we use metaphors like Bread of Life and Rock for God, the metaphors have their limits. To accept the Mystery is a step of faith.

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Feb 22, 2016
Excerpt from Benjamin B. Warfield, "The Biblical Doctrine of Trinity" (1915)

As the doctrine of the Trinity is indiscoverable by reason, so it is incapable of proof from reason. There are no analogies to it in Nature, not even in the spiritual nature of man, who is made in the image of God. In His trinitarian mode of being, God is unique; and, as there is nothing in the universe like Him in this respect, so there is nothing which can help us to comprehend Him. Many attempts have, nevertheless, been made to construct a rational proof of the Trinity of the Godhead. Among these there are two which are particularly attractive, and have therefore been put forward again and again by speculative thinkers through all the Christian ages. These are derived from the implications, in the one case, of self-consciousness; in the other, of love. Both self-consciousness and love, it is said, demand for their very existence an object over against which the self stands as subject. If we conceive of God as self-conscious and loving, therefore, we cannot help conceiving of Him as embracing in His unity some form of plurality. From this general position both arguments have been elaborated, however, by various thinkers in very varied forms.

The former of them, for example, is developed by a great seventeenth century theologian -- Bartholomew Keckermann (1614) -- as follows: God is self-conscious thought: and God's thought must have a perfect object, existing eternally before it; this object to be perfect must be itself God; and as God is one, this object which is God must be the God that is one. It is essentially the same argument which is popularized in a famous paragraph (73) of Lessing's "The Education of the Human Race." Must not God have an absolutely perfect representation of Himself - that is, a representation in which everything that is in Him is found? And would everything that is in God be found in this representation if His necessary reality were not found in it? If everything, everything without exception, that is in God is to be found in this representation, it cannot, therefore, remain a mere empty image, but must be an actual duplication of God. It is obvious that arguments like this prove too much. If God's representation of Himself, to be perfect, must possess the same kind of reality that He Himself possesses, it does not seem easy to deny that His representations of everything else must possess objective reality. And this would be as much as to say that the eternal objective co-existence of all that God can conceive is given in the very idea of God; and that is open pantheism. The logical flaw lies in including in the perfection of a representation qualities which are not proper to representations, however perfect. A perfect representation must, of course, have all the reality proper to a representation; but objective reality is so little proper to a representation that a representation acquiring it would cease to be a representation. This fatal flaw is not transcended, but only covered up, when the argument is compressed, as it is in most of its modern presentations, in effect to the mere assertion that the condition of self-consciousness is a real distinction between the thinking subject and the thought object, which, in God's case, would be between the subject ego and the object ego. Why, however, we should deny to God the power of self-contemplation enjoyed by every finite spirit, save at the cost of the distinct hypostatizing of the contemplant and the contemplated self, it is hard to understand. Nor is it always clear that what we get is a distinct hypostatization rather than a distinct substantializing of the contemplant and contemplated ego: not two persons in the Godhead so much as two Gods. The discovery of the third hypostasis - the Holy Spirit -remains meanwhile, to all these attempts rationally to construct a Trinity in the Divine Being, a standing puzzle which finds only a very artificial solution.

The case is much the same with the argument derived from the nature of love. Our sympathies go out to that old Valentinian writer - possibly it was Valentinus himself - who reasoned - perhaps he was the first so to reason - that "God is all love," "but love is not love unless there be an object of love." And they go out more richly still to Augustine, when, seeking a basis, not for a theory of emanations, but for the doctrine of the Trinity, he analyzes this love which God is into the triple implication of "the lover," "the loved" and "the love itself," and sees in this trinary of love an analogue of the Triune God. It requires, however, only that the argument thus broadly suggested should be developed into its details for its artificiality to become apparent. Richard of St. Victor works it out as follows: It belongs to the nature of amor that it should turn to another as caritas. This other, in God's case, cannot be the world; since such love of the world would be inordinate. It can only be a person; and a person who is God's equal in eternity, power and wisdom. Since, however, there cannot be two Divine substances, these two Divine persons must form one and the same substance. The best love cannot, however, con-fine itself to these two persons; it must become condilectio by the desire that a third should be equally loved as they love one another. Thus love, when perfectly conceived, leads necessarily to the Trinity, and since God is all He can be, this Trinity must be real. Modern writers (Sartorius, Schoberlein, J. Muller, Liebner, most lately R. H. Griutzmacher) do not seem to have essentially improved upon such a statement as this. And after all is said, it does not appear clear that God's own all-perfect Being could not supply a satisfying object of His all-perfect love. To say that in its very nature love is self-communicative, and therefore implies an object other than self, seems an abuse of figurative language.

Perhaps the ontological proof of the Trinity is nowhere more attractively put than by Jonathan Edwards. The peculiarity of his presentation of it lies in an attempt to add plausibility to it by a doctrine of the nature of spiritual ideas or ideas of spiritual things, such as thought, love, fear, in general. Ideas of such things, he urges, are just repetitions of them, so that he who has an idea of any act of love, fear, anger or any other act or motion of the mind, simply so far repeats the motion in question; and if the idea be perfect and complete, the original motion of the mind is absolutely reduplicated. Edwards presses this so far that he is ready to contend that if a man could have an absolutely perfect idea of all that was in his mind at any past moment, he would really, to all intents and purposes, be over again what he was at that moment. And if he could perfectly contemplate all that is in his mind at any given moment, as it is and at the same time that it is there in its first and direct existence, he would really be two at that time, he would be twice at once: "The idea he has of himself would be himself again." This now is the case with the Divine Being. "God's idea of Himself is absolutely perfect, and therefore is an express and perfect image of Him, exactly like Him in every respect. . . . But that which is the express, perfect image of God and in every respect like Him is God, to all intents and purposes, because there is nothing wanting: there is nothing in the Deity that renders it the Deity but what has something exactly answering to it in this image, which will therefore also render that the Deity." The Second Person of the Trinity being thus attained, the argument advances. "The Godhead being thus begotten of God's loving [having?] an idea of Himself and showing forth in a distinct Subsistence or Person in that idea, there proceeds a most pure act, and an infinitely holy and sacred energy arises between the Father and the Son in mutually loving and delighting in each other. . . The Deity becomes all act, the Divine essence itself flows out and is as it were breathed forth in love and joy. So that the Godhead therein stands forth in yet another manner of Subsistence, and there proceeds the Third Person in the Trinity, the Holy Spirit, viz., the Deity in act, for there is no other act but the act of the will." The inconclusiveness of the reasoning lies on the surface. The mind does not consist in its states, and the repetition of its states would not, therefore, duplicate or triplicate it. If it did, we should have a plurality of Beings, not of Persons in one Being. Neither God's perfect idea of Himself nor His perfect love of Himself reproduces Himself. He differs from His idea and His love of Himself precisely by that which distinguishes His Being from His acts. When it is said, then, that there is nothing in the Deity which renders it the Deity but what has something answering to it in its image of itself, it is enough to respond - except the Deity itself. What is wanting to the image to make it a second Deity is just objective reality.

Inconclusive as all such reasoning is, however, considered as rational demonstration of the reality of the Trinity, it is very far from possessing no value. It carries home to us in a very suggestive way the superiority of the Trinitarian conception of God to the conception of Him as an abstract monad, and thus brings important rational support to the doctrine of the Trinity, when once that doctrine has been given us by revelation. If it is not quite possible to say that we cannot conceive of God as eternal self-consciousness and eternal love, without conceiving Him as a Trinity, it does seem quite necessary to say that when we conceive Him as a Trinity, new fullness, richness, force are given to our conception of Him as a self-conscious, loving Being, and therefore we conceive Him more adequately than as a monad, and no one who has ever once conceived Him as a Trinity can ever again satisfy himself with a monadistic conception of God. Reason thus not only performs the important negative service to faith in the Trinity, of showing the self-consistency of the doctrine and its consistency with other known truth, but brings this positive rational support to it of discovering in it the only adequate conception of God as self-conscious spirit and living love. Difficult, therefore, as the idea of the Trinity in itself is, it does not come to us as an added burden upon our intelligence; it brings us rather the solution of the deepest and most persistent difficulties in our conception of God as infinite moral Being, and illuminates, enriches and elevates all our thought of God.