Tuesday, November 14, 2017

Untying the Trinity: Understanding God's Tri-Unity

Untying The Trinity: Understanding and Worshiping our Triune God – Father, Son, and Holy Spirit 


First Baptist Church, McLoud OK 
Sunday, November 12, 2017

I had the privilege of preaching at First Baptist Church in McLoud, Oklahoma this past Sunday - filling the pulpit for my good friend Pastor Matt Halsted, who had returned from the Greer-Heard Point-Counterpoint Forum in New Orleans VERY late the night before (2AM).  I am grateful for the opportunity to preach.  What follows is a relatively-accurate transcript of my sermon from Sunday.  

The heart of my message was: a) Christian Trinitarian belief is unique among the world's religions; b) God's Triunity is required by the biblical evidence; c) Christians cannot willingly embrace logically incoherent (impossible) beliefs; d) the Trinity is not logically incoherent; e) while we cannot fully comprehend God's Tri-unity, we can begin to rationally grasp it.  I hope it is helpful!

Throughout human history, virtually every living human being has believed in God.  Even in our current highly skeptical and secular age, around 80% of Westerners (Europeans, Americans, Canadians) believe in some divine Being.  If you survey the world at large, and especially if you investigate human history, you find that an overwhelming majority of human beings affirm the existence of God. 


However, the term “God” or “Divine Being” is unfortunately ambiguous.  For some people, ‘God’ is a powerful but limited being, perhaps active in a particular geographical location or time in history.  For others, ‘God’ is a human being who was so righteous, powerful, or otherwise worthy that they were ‘divinized’ after death.  For others, ‘God’ indicates an impersonal force which permeates the universe.  For others, ‘God’ indicates an eternal divine Being who co-exists with other eternal divine Beings in a grand polytheistic pantheon.  For others yet, ‘God’ indicates a supreme, omnipotent, eternal Divine Being who created the universe and everything in it – this is the belief we call “monotheism,” that is, belief in One God.
But even monotheism is unfortunately ambiguous and multiply understood.  For some, God is a distant, all-powerful judge who will weigh our deeds in an eternal scale and sentence us to heaven or hell.  For others, God is a personal but unitary being, almighty in nature, who nonetheless relates to the people He has created and chosen to be His own.  For others, God is personal and Triune, Three Persons but One Being.  Christianity, it should be clear, is this species of monotheism – a Trinitarian religion.
Mere belief in “God,” then, is quite irrelevant.  In James 2:19, the Lord’s brother declares: You believe in one God.  Good!  Even the demons believe that.  In other words, belief in “one God” is not salvific – it is too generic, undefined, and ambiguous to lead us to a right understanding of, love for, and saving relationship with, that God.  While belief in “God” is almost universal, Christian belief in a Triune God is unique among the world’s religions.  The Christian doctrine of the Trinity, then, is both an essential component of what it means to be a Christian, and a unique element of Christianity that sets us apart from other God-believers. 
This morning, then, I’d like us to look at God’s Word together, to see what we as Christians can (and need to) understand about the Triune God whom we worship, by whom we are saved, and who we proclaim to the rest of the world.  My desire is to “Untie” the Gordian knot of the Trinity – to help us see the Triune nature of the God whom we worship as Three Persons in One Divine Being – God the Father, Son, and Holy Spirit.  I want to illuminate what Christians believe about The Triunity of God, and show why it is so essential to our belief and worship.
In Matthew 28:18-20, the resurrected Jesus meets with His disciples to give them instructions for their continued ministry.  He says: All authority in heaven and on earth has been given to me.  Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to obey everything I have commanded you.  And surely I am with you always, to the very end of the age.
Jesus gives His followers a clearly Trinitarian baptismal formula – we are to be baptized in the name of the Father, the Son, and the Holy Spirit.  John, chapter 16, starting in verse 5.   
I am going to him who sent me, yet none of you asks me, ‘Where are you going?’  Because I have said these things, you are filled with grief.  But I tell you the truth: It is for your good that I am going away.  Unless I go away, the Counselor will not come to you; but if I go, I will send Him to you.
Here we have Jesus’ promise of the coming Holy Spirit – the Counselor (Greek paraclete), who will be with Jesus’ followers.  Let’s move along to John 17 and note several verses in that majestic prayer.
Father, the time has come.  Glorify your Son, that your Son may glorify You.  For you granted him authority over all people that he might give eternal life to all those you have given him.  Now this is eternal life: that they may know you, the only true God, and Jesus Christ, whom you have sent.  I have brought you glory on earth by completing the work you gave me to do.  And now, Father, glorify me in your presence with the glory I had with you before the world began.
Note two quick things – Jesus insisting that He, the Son, gives eternal life, and that He and the Father mutually glorify one another.  Moving on to verse 20.
My prayer is not for them [that is, Jesus’s disciples] alone.  I pray also for those who will believe in me through their message, that all of them may be one, Father, just as you are in me and I am in you.  May they also be in us so that the world may believe that you have sent me.  I have given them the glory that you gave me, that they may be one as we are one: I in them and you in me.
Here, Jesus claims that He and the Father are one – a union that He hopes to be the basis for unity among His believers and followers.  With these passages as a basis, let’s look at the Scriptural description of the Triune God whom we worship.
To do so, let’s engage in a historical thought experiment.  Imagine with me that you were among Jesus’s original followers, and that you are trying to make sense out of Jesus.
The first thing to realize is that you are a faithful monotheistic Jew.  That is, you believe in One God, the Father Almighty, creator of heaven and earth.  Deuteronomy 6:4-5 is your clarion call – Hear, O Israel: The Lord our God, the Lord is one.  Love the Lord your God with all your heart and with all your soul and with all your strength. 
You believe in One God – the Lord, the Creator.  But at the same time, there are some pretty intriguing things about your Rabbi, Jesus of Nazareth.  He does some unusual things that either claim or demonstrate authority and privileges that only belong to God Almighty.  For example, in Mark 2:5, he explicitly claims to forgive the sins of a paralyzed man.  When teachers of the law question His authority to forgive, by asking – Why does this fellow talk like that?  He’s blaspheming!  Who can forgive sins but God alone? – Jesus acknowledges their question, and demonstrates His authority by immediately healing the man of his paralysis as well.  Why does he heal the man?  Verse 10 – So that you may know that the Son of Man has authority on earth to forgive sins.  But who has the authority to forgive sins?  Remember, you’re a faithful first-century Jew.  Only Yahweh, the Lord, the God of Israel, has the authority to forgive sins.
Jesus also proclaims Himself to be the source of eternal life, and the one who will judge our eternal destiny.  John 3:16, one of our favorite verses as His early followers (remember, we’re imagining being 1st-century disciples, right?) proclaims: For God so loved the world that He sent His only begotten Son, that whosoever believes in Him should not perish, but have everlasting life.  The passage we read earlier, from John 17:2, contains Jesus’s claim: For you [the Father] granted him [the Son] authority over all people that he might give eternal life to all those you have given him.  Who gives eternal life?  Jesus of Nazareth, the Son.  But I’m a 1st-century Jew … who alone has the right to grant eternal life?  God, the Lord! 
What, then, is Jesus saying about Himself?  We could look at a whole lot more passages, but the point becomes clear.  As Jesus’ followers, we are beginning to think that Jesus thinks He is God.  Yet how can that be, especially when Jesus also prays to God.  I wonder what Jesus means by calling God Father, and then by presuming and proclaiming His own divine status?
Back to John 16.  Jesus threatens – no, promises – to leave us.  But He says it will be for our own good, as He is going to send someone to replace Himself – this Comforter, Paraclete, Holy Spirit.  In addition, He has also prophesied the very means by which He will leave us.  For example, in Matthew 16:21, we read: From that time on Jesus began to explain to his disciples that he must go to Jerusalem and suffer many things at the hands of the elders, chief priests and teachers of the law, and that he must be killed and on the third day be raised to life.  I’ve got to be frank – we didn’t get it when Jesus said this.  In fact, some amongst us – Peter, to be specific, although I don’t want to throw him under the bus; after all, he’s kind of an important dude within our circles – Peter even rebuked Jesus when He said he was going to die in Jerusalem! 
But then it happened.  The Passover came.  And immediately after celebrating the Passover meal with us, Jesus prayed with us; after praying with us, we went out to the Garden together, and He prayed for even longer – so long that most of us fell asleep – c’mon, give me a break, you’d have fallen asleep too if you were laying in that comfy garden, in the dark, after a nice big meal, and after already having done prayer meeting together.  After His time of prayer in the Garden, Jesus was arrested.  He was crucified just outside the city gate of Jerusalem, and He died on that cross.  On the third day, His tomb was found empty, and the resurrected Jesus appeared to us.  Well, most of us anyway – Thomas wasn’t with us that first time.  But he was the next time, and after seeing Jesus, Thomas said what was on our minds too – “My Lord and my God!”
You see, there was really no denying it by this point.  After all we had seen during Jesus’s lifetime, all that Jesus had taught and done, and now His brutal death but even more glorious return from the dead, we could no longer escape the fact that Jesus was, in fact, God incarnate, walking among us.  Not only that, but just as Jesus had promised, the Holy Spirit did come to us, in power and in glory!  And we had no choice but to acknowledge that the Holy Spirit, too, was divine in nature and essence.  Why? 
First, The Holy Spirit speaks directly to Christians, evidence that the Spirit is an omni-present Person.
While Peter was still thinking about the vision, the Spirit said to him, “Simon, three men are looking for you.”  So get up and go downstairs.  Do not hesitate to go with them, for I have sent them. (Acts 10:19
Similarly in Acts 13:2:
While they were worshiping the Lord and fasting, the Holy Spirit said, “Set apart for me Barnabas and Saul for the work to which I have called them.” 
The Holy Spirit also guides and directs God’s people – sometimes even preventing them from going a certain direction. 
Paul and his companions traveled throughout the region of Phrygia and Galatia, having been kept by the Holy Spirit from preaching the word in the province of Asia. (Acts 16:6) 
The Holy Spirit is given as our counselor, our guide, our illuminating light, our seal of salvation, and our constant divine presence.  John 14, beginning in verse 16, reads
And I will ask the Father, and he will give you another Counselor to be with you forever – the Spirit of truth.  The world cannot accept him, because it neither sees him nor knows him.  But you know him, for he lives with you and will be in you.  I will not leave you as orphans; I will come to you!  …– The Counselor – the Holy Spirit, whom the Father will send in my name, will teach you all things and will remind you of everything I have said to you.
The Holy Spirit interacts with us in an intensely personal and intimate manner.  God desires to speak with us, to instruct us, and to guide us, and the way that He does is through the Holy Spirit, who dwells within the heart of all who accept salvation by the grace of God through faith in Jesus Christ. 
The Holy Spirit, then, also shares in the divinity of God.  Yahweh, the Lord, is God.  Jesus, the Son, is God.  The Holy Spirit is God.  But we believe in One God.  So what we you do with that?
What early Christians did do with that, is wrestle with it – biblically, theologically, and philosophically.  Christians sought to articulate and clarify what they believed about the nature of God.  And very quickly, Trinitarian language became the clearest means to doing so.  God is a Tri-Personal Being: Father, Son, and Holy Spirit.  Three Persons, One Being.  Three Persons, one eternal Godhead.
It was important, right from the beginning, that Christians be clear about their understanding of God’s Triunity.  The doctrine of the Trinity was badly misunderstood, by both friends and foes of Christianity, with often disastrous consequences.
Even by the end of the first century, early Christians needed to differentiate orthodox Christian belief about God the Father, Son, and Holy Spirit, from rising heretical beliefs about God and Jesus and the Holy Spirit.  Very early on, some thinkers departed from the Christian faith, claiming that Jesus was either a second god, or a creation of God the Father, or simply a different manifestation (think avatar or reincarnation) of God the Father. 
Some early thinkers, having encountered the Christian Gospel, came to believe that Jesus and the Holy Spirit were simply different manifestations of the One True God.  This heresy is known as modalism, the belief that the Father, the Son, and the Holy Spirit are simply different modes of the same Person – that is, the One God Almighty.  Why is this view a problem?  Simply put, because while Jesus, in the Gospels, does insist that He and the Father are one, He also prays to a clearly distinct Person, His Father in Heaven, thereby clearly indicating that the Father and the Son exist at the same moment in time as separate Persons.  Furthermore, Jesus insists that He will send the Holy Spirit – a different divine person, not just a different version or aspect of Himself.  Hence, orthodox Christian thinking has always affirmed that the Father, the Son, and the Holy Spirit are not just different aspects of, or modes of, divine existence, but rather different divine Persons who nonetheless exist in Triunity as one divine Being. 
Other early thinkers, known as Arians, having encountered the Christian Gospel, affirmed that Jesus was obviously special, but noted that he was distinct from the Father to whom he prayed.  They also held that since God is One God, and Jesus is distinct from God the Father, that therefore Jesus must be a creation of God the Father, and not of the same substance or essence as God.  Jesus, that is, must not be equated with God.  What was wrong with Arianism?  Simply put, while Jesus is clearly distinct from God the Father, He is also clearly one with the Father, with all the divine rights, powers, privileges, responsibilities, and essences thereof.  Hence, orthodox Christian thinking has always affirmed that the Father, the Son, and the Holy Spirit are not separate Beings – one fully divine and the others just special created beings – but rather are distinct divine Persons who nonetheless exist in Triunity as one divine Being.  Lest you think that it was only early Christian thinkers who had to worry about these kinds of distinctions, what I have just described also distinguishes true Christianity from the contemporary heresy of the Jehovah’s Witness movement.
The point, then, is that early Christians needed to clearly articulate Trinitarian theology in order to maintain the purity and accuracy of what God has revealed about Himself through His Word in Scripture.  That need carries on today.  Why does that matter?  Because we cannot love that which we do not understand.  A clear understanding of the doctrine of the Trinity is absolutely essential to a vital relationship with the God of the Bible.  (Story of Saskatchewan man whose wife turns out to be a RCMP most wanted man?)  Again, we cannot love that which we do not understand.  If we are to love God, we must come to know God truly and correctly.
Furthermore, you cannot worship that which you do not understand.  Worshiping God involves ascribing ultimate worth and glory to Him, and honoring and praising Him on account of who He is and what He has done.  Well, just as it is impossible to rightly worship God if we do not believe He has sent His Son to save us – that is, we do not rightly understand what He has done – so too it is impossible to rightly worship God if we do not understand who He is – a Triune, personal God.
As Christians, we love the Lord God, and we desire to be in right relationship with Him.  We desire to worship God, because He is worthy of our worship.  But in order to love God, in order to worship God, in order to be rightly related to God, our understanding of God has to be filled with content – and the nature of that content matters.  We must have a right understanding of who God is and what God has done.  As James says, “You believe in one God?  Good!  Even the demons believe that, and shudder.”  Our notion of God must be appropriate, correct.  Hence, early Christians needed to clearly articulate their understanding of the Trinity, of God’s Triune nature, in order to ensure that they were rightly understanding the God whom they then worshiped and adored.  Christian doctrine matters, and none matters more than the Trinity.
Early Christians also needed to demonstrate that their beliefs about God were neither irrational (contrary to reason) nor logically incoherent (self-contradictory).  This need remains paramount today.  Many non-Christians accuse Christians of believing things about God that simply cannot be true – namely, that God is both three and one. 
The accusation that Christians embrace things about God that cannot be true (like God’s Triunity) is part of a wider trend that gained force in the 20th century and remains strong today – namely, the accusation that Christian faith is held apart from reason.  Richard Dawkins, the world’s most widely-published and widely-read intellectual atheist, defines faith as “belief in the absence of evidence.”  He goes on to write, “When one person suffers a delusion, we call it insanity.  When a large group of people suffer the same delusion, we call it religion.”  A delusion, he argues, is “a persistent false belief held in the face of strong contradictory evidence, especially as a symptom of psychiatric disorder.”  In other words, Dawkins holds that Christianity is a persistent and false belief that we hold, despite there being strong evidence that proves our belief to be false; our Christian faith, then, he argues, is best understood as a psychiatric disorder.  There are millions of atheists like Richard Dawkins who think, first, that there is no good reason to believe that Christianity is true, and, second, that Christians are irrational people who rely on feeling and emotion to buttress their false beliefs and shun the use of reason and evidence.  My brothers and sisters, these are serious charges, and we are called to provide a strong response to them.
A disturbing trend, in my mind, is the tendency of many Christians to embrace the accusations of irrationality.  Some Christians will even proudly proclaim that their faith is irrational, opposed to the application of reason and evidence, and wear their fideism like a badge of honor.  Such Christians will admit that, yes, belief in the Trinity is irrational, or embraces a logical contradiction, and that’s okay.  Because, after all, we are talking about God, and God cannot be fully understood; hence, we can affirm things of God that seem to us to be logically contradictory, and yet they can be true of God.  Thus, God is both three and one.
Early Christians refuted the non-Christian accusation of incoherence, and there are two compelling reasons that we should continue to do so.
The first reason has to do with evangelism and apologetics.  As Christians, we desire to share the faith of Jesus Christ with those who do not yet know Him.  If you are here today, and you are not yet a Christian, I will tell you openly, honestly, and lovingly, that this church’s sincere desire is that you also would become a follower of Jesus Christ.  But, to be frank, if people are convinced at the outset that the doctrine of the Trinity is both essential to Christianity and logically incoherent, then they simply are never going to consider whether it might actually be true.  If we present God’s Triunity, and insist to non-Christians that, yes, our beliefs are irrational and logically impossible – but that nonetheless we want you to believe! – I’m sad to say that others are going to (rightly, in my mind) respond that they have absolutely no interest in hearing anything more that we have to say about our faith.  In our day and age – not just in our day, but in any day and age – if someone is going to consider accepting Christianity as the way, the truth, and the life, then Christianity has to at least be logically possible.  None of us will give our lives to something that we are convinced is irrational and illogical.    
The second reason that we cannot consent to the perspective that the doctrine of the Trinity is irrational or illogical, is that it does a disservice to God, and once again fails to rightly understand (and hence rightly worship) the God whom we claim to follow.  God does not ask us to believe in something that is irrational, or logically impossible.  He never has, and He never will.  He is a rational God, who created us with minds that reflect His own mind.  Hence, the laws of logic which govern our thinking are also reflections of His divine rationality and character.  The great medieval Christian philosopher, Thomas Aquinas, made a crucial distinction that philosophers and theologians since have been wise to adopt as their own.  Aquinas distinguished between things that are demonstrable by reason, things that are above reason, and things that are contrary to reason.  Some truths are demonstrable by reason, in the sense that applying human rationality and empirical evidence will convince any fair-minded person of their truthfulness.  An example of such a truth might be the spherical nature of the earth, or the historicity of the Holocaust.  Some truths, particularly truths about God, may be above reason – that is, we may have a hint of them, but cannot fully grasp or comprehend because of our finitude and fallenness.  But truths, even divine truths, can never be contrary to reason – because irrational and illogical claims can never be true, even if they are spoken of God.  As C. S. Lewis noted in The Problem of Pain, “meaningless combinations of words do not suddenly acquire meaning simply because we prefix to them the other words ‘God can’.”  Hence, we can talk about the Triunity of God as being above reason – it is something that we do not now and never will fully understand; but we cannot talk about the Trinity as being contrary to reason.
How, then, can we try to understand the doctrine of the Trinity?  If we are going to insist, as we must, that the Trinity is not logically incoherent, how can we help explain it to outsiders, and grasp it ourselves, so that we are believing rightly and rationally about the God whom we worship? 
I want to do two things as we come to a close this morning.  First, I want to show that the Trinity is not logically incoherent.  Second, I want to suggest how we might helpfully understand the Trinity in such a way that we begin, at least faintly, to understand it.
First, then: Christianity’s critics, like Mohammad in the 7th century and Richard Dawkins today, accuse Christian Trinitarianism of logical incoherence, self-contradiction.  That is a serious accusation, not to be launched or taken lightly.  But what exactly is a logical contradiction?  Simply put, a logical contradiction involves an individual, we’ll call him Chris, embracing two contradictory claims; in philosophical terms, Chris simultaneously believes A and not-A.  For example, Chris might simultaneously believe that 2+2=4, and that 2+2=5.  Given that 5 is not 4, Chris is believing that 2+2 is equal to A (4) AND not-A (5).  A more significant example might have Chris simultaneously believing in metaphysical materialism (that is, atheism) and that his grandpa Joe is now in heaven enjoying the fruits of eternal life.  Given that materialistic atheism entails human extinction at death, Chris is believing two contradictory propositions: no human person lives on past physical death (not-A) AND a particular human person (Grandpa Joe) lives on past physical death (A).  Those combinations of beliefs are truly logically contradictory, and therefore cannot even possibly be true.
But not every suggested or apparent logical contradiction really is a logical contradiction.  For example, Chris might simultaneously believe that “Bridget Moynahan is hot” and “Bridget Moynahan is cold.”  Given that hot and cold are opposites, it would seem that Chris embraces both A (hot) and not-A (cold = not hot).  However, Chris may qualify, and indicate that “hot” refers to Moynahan’s physical appearance, while “cold” alludes to her insensitivity to the feelings of other people.  In that scenario, Chris is not guilty of logical inconsistency.  Consider another example.  In Newtonian physics, it was understood that substances could operate as either a particle or as a wave, but not as both.  Hence, if something, let’s say light, operates as a wave (A), then it cannot operate as a particle (not-A).  In the 20th century, however, Chris comes to believe that light operates as both a wave and a particle.  Is he guilty of logical contradiction?  In this case, No.  It turns out, instead, that the Newtonian understanding was incomplete – some substances (including light) can operate as both a wave and a particle.  That truth was, in the 19th century, above reason – and many would have accused it of also being contrary to reason – but further discoveries showed that light’s unique wave-particle capacities were in fact logically possible.  The accused contradiction was only perceived, not actual.
All right, with all that said, let’s finally consider Mohammad and Dawkins’s accusation that Christian belief in God’s Triunity is logically inconsistent.  It is my contention that the accused ‘contradiction’ in the Trinity is only perceived, not actual.  For it to be a contradiction, the Christian belief would have to be that the Trinity is both ‘three gods’ and ‘one god,’ or that God is both ‘three persons’ and ‘one person.’  In actuality, however, the Christian belief is that the Trinity is ‘three persons’ and ‘one god.’  While difficult to work out conceptually, there is no actual contradiction within the belief.
If there were an actual contradiction, Christianity’s critic would have to show that the Christian is embracing two contradictory beliefs.  To pursue that end, they would need to construct a logical argument that would have to look something like this.

Premise 1. God exists as one Being.

Premise 2. God exists as three Persons.

Premise 3. Thus, God is one divine Being who exists as three Persons.

Premise 4. Individual human beings each comprise one Being.

Premise 5. It is impossible for individual human beings to be composed of more than one Person.

Premise 6. Thus, it is impossible for one human being to exist as three Persons.

Conclusion 1. Thus, it is impossible for one divine Being to exist as three Persons.

Conclusion 2. Thus, if God is one divine Being, then God exists as one Person.

Conclusion 3. Thus, it is false that God is one divine Being who exists as three Persons.  I.e., the Christian conception of God’s Triunity is logically incoherent.

All six premises seem, from a Christian view, to be clearly true.  What, then, might be the problem?  Why doesn’t the argument show that Christian Trinitarianism is incoherent?  Because the conclusion actually does not follow from the premises.  In fact, nothing at all regarding divine Being and persons follows from the six premises.  For anything to follow, there needs to be an intermediate premise:

Premise 7. It is necessary to presume that what is true for human beings and persons also applies to divine Being and Persons.

With Premise 7, you now have a connection between the six premises and the conclusions.  If Premise 7 is true, then Christians would, in fact, embrace a logical contradiction.  Problem?  There is no reason to accept Premise 7 as true.  There is no reason to presume that the same conditions and limitations that apply to human personhood and being apply in the same way to the infinite, eternal God of the universe.  Indeed, there seem to be good reasons to expect that limitations regarding human personhood and being would not apply to divine personhood and being.  In the same way, for example, we rightly understand that the limitations upon human knowledge do not apply to divine knowledge: our human knowledge is limited by our finiteness, our itty-bitty-brains, and our short temporal duration.  God’s knowledge is not so limited.  Given that, there simply is no logical contradiction between God’s existence as a Triune Being. 
So, on the one hand, belief in the Trinity is not obviously logically contradictory.  But, that still does not help us grasp how the Trinity can actually make some sense, both for our own edification, and for us to share our Trinitarian faith with those outside the Christian faith.  Historically, a number of analogies and illustrations have been used to help explain God’s Triunity: a three-leafed clover, an egg, water, and so forth.  All analogies and illustrations break down at some point, and some are better than others.  But to close this morning, I’d like to share what I think is the most accurate and most helpful illustration or analogy of God’s Trinitarian nature, from my favorite Christian writer, C. S. Lewis.

You know that in space you can move in three ways—to the left or right, backwards or forwards, up or down. Every direction is either one of these three or a compromise between them. They are called the three Dimensions. Now notice this. If you are using only one dimension, you could draw only a straight line. If you are using two, you could draw a figure: say, a square. And a square is made up of four straight lines. Now a step further. If you have three dimensions, you can then build what we call a solid body: say, a cube—a thing like a dice or a lump of sugar.  And a cube is made up of six squares.

. . . In other words, as you advance to more real and more complicated levels, you do not leave behind you the things you found on the simpler levels: you still have them, but combined in new ways—in ways you could not imagine if you knew only the simpler levels.

Now the Christian account of God involves just the same principle. The human level is a simple and rather empty level. On the human level one person is one being, and any two persons are two separate beings—just as, in two dimensions (say on a flat sheet of paper) one square is one figure, and any two squares are two separate figures. On the Divine level you still find personalities; but up there you find them combined in new ways which we, who do not live on that level, cannot imagine. In God’s dimension, so to speak, you find a being who is three Persons while remaining one Being, just as a cube is six squares while remaining one cube. Of course we cannot fully conceive a Being like that: just as, if we were so made that we perceived only two dimensions in space we could never properly imagine a cube. But we can get a sort of faint notion of it. And when we do, we are then, for the first time in our lives, getting some positive idea, however faint, of something super-personal—something more than a person.[1]

Lewis, thus, provides us with a helpful picture to flesh out how God’s Personhood and Beingness might look different than human personhood and beingness.  Does that get us all the way to fully understanding the nature of God’s Triunity?  No, I don’t think so.  But it does help to illustrate that, although the Trinity might be above reason, it is not in any way contrary to reason; we can utilize our reasoning and imagination to give us a glimpse, a faint comprehension, of the nature of God the Father, Son, and Holy Spirit – three Persons, one Being; the eternal Godhead; beyond our full comprehension, but not contrary to reason or logic.
And so we close.  You may be here today, and you have never committed your life to the one true God – the Father, the Son, and the Holy Spirit.  Perhaps you have withheld your trust from God because you felt, consciously or unconsciously, that this belief in a Triune God was absolutely nonsense.  If that is the case, then I invite you to reconsider the truths of Jesus Christ anew.  God reveals Himself to us as Father, Son, and Holy Spirit, and invites us into a saving relationship with Him through faith in Jesus of Nazareth, the Son, God made flesh.  I entreat you to see the reasonability and beauty of the Christian God, and to give your life to Him.

Perhaps you have been a Christian for many years, but have realized this morning that your understanding of God’s Triunity has been either incomplete or incorrect.  Perhaps you’ve embraced the ancient and contemporary heresy of modalism – believing that the Father, Son, and Spirit are just different aspects of the same divine Person; or Arianism – believing that Jesus and God are two totally separate Beings.  If that is the case, then I invite you to come to God fresh and new, and thank Him for revealing His nature to you in a new and fuller way.  And may the God of grace, whose is above our full understanding, but who nevertheless reveals enough of Himself to us that we might truly and rightly know Him, and worship Him, and be in saving relationship with Him, may God the Father, Son, and Holy Spirit, renew your hearts and minds this day.


[1]C. S. Lewis, Mere Christianity (New York: HarperSanFrancisco, 2001), 161-62.

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