Discovering the Trinity

Devotional

Day 1: Three Witnesses in Heaven’s Courtroom

The clearest glimpse of the Trinity shines through 1 John 5:7, where Father, Word, and Spirit testify together as one. This verse anchors the triune nature of God despite modern translations omitting it. Three distinct voices harmonize in heaven’s testimony, yet their unity defies human logic. The absence of the word “Trinity” in Scripture doesn’t erase its reality, just as “Bible” isn’t named in its pages yet remains God’s Word. Truth isn’t diminished by labels but revealed through divine witness. [02:23]

“For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one.”
(1 John 5:7, KJV)

Reflection: Where have you allowed cultural doubts or incomplete translations to cloud your confidence in God’s triune nature? How might clinging to 1 John 5:7 deepen your worship?

Day 2: One God Who Says “There Is None Else”

Deuteronomy 6:4 thunders like a drumbeat: the Lord is one. Isaiah 43:10-11 reinforces this with God’s own voice rejecting rivals. Monotheism isn’t negotiable—no pantheon of gods, no hierarchy. Yet this same God later reveals Himself as Father, Son, and Spirit. The tension isn’t contradiction but mystery. To deny God’s oneness leads to polytheism; to deny His threefold personhood reduces Him to isolation. Both truths stretch human understanding, demanding humility. [10:19]

“Hear, O Israel: The Lord our God is one Lord.”
(Deuteronomy 6:4, KJV)

Reflection: When have you tried to simplify God into a manageable “one” instead of embracing His triune complexity? How does His oneness challenge idolatrous tendencies in your heart?

Day 3: Three Voices at the Jordan River

At Jesus’ baptism, heaven rips open as Father, Son, and Spirit occupy the same moment. The Son rises from water, the Spirit descends like a dove, the Father’s voice shakes the sky. Modalism crumbles here—no costume changes, no divine charades. Three persons, one God, simultaneous and distinct. This scene dismantles the lie that God shifts roles like actors. The Trinity isn’t a theological puzzle but a living reality encountered in Scripture. [29:19]

“And Jesus, when he was baptized, went up straightway out of the water: and, lo, the heavens were opened unto him, and he saw the Spirit of God descending like a dove, and lighting upon him: And lo a voice from heaven, saying, This is my beloved Son, in whom I am well pleased.”
(Matthew 3:16–17, KJV)

Reflection: How does the simultaneous presence of all three Persons at Jesus’ baptism reshape your view of God’s involvement in your own life?

Day 4: The Comforter Who Is a “He,” Not an “It”

Scripture never calls the Holy Spirit an impersonal force. Jesus uses “He” 17 times in John 14–16, affirming His personhood. The Spirit teaches, grieves, and speaks—actions requiring mind, emotion, and will. Demoting Him to a “force” strips Christianity of God’s intimate presence. A force can’t comfort; a person can. The Trinity’s third member is not a vague power but a divine Person indwelling believers. [35:19]

“And I will pray the Father, and he shall give you another Comforter, that he may abide with you for ever; Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.”
(John 14:16–17, KJV)

Reflection: Have you treated the Holy Spirit as a passive influence rather than a relational Person? How might inviting His active presence change your prayers today?

Day 5: Praying to the Father Through the Son

Jesus’ prayer in John 17:1 reveals the Trinity’s relational heartbeat. The Son addresses the Father as “Thou,” distinct yet united. Their communion isn’t self-talk but the eternal dance of divine Persons. Prayer isn’t shouting into a void—it’s joining the Son’s conversation with the Father, guided by the Spirit. The Trinity isn’t a cold doctrine but the model for all spiritual intimacy. [26:30]

“These words spake Jesus, and lifted up his eyes to heaven, and said, Father, the hour is come; glorify thy Son, that thy Son also may glorify thee.”
(John 17:1, KJV)

Reflection: Do you approach prayer as a religious duty or as an invitation into the Trinity’s eternal fellowship? How might Jesus’ posture in John 17 reshape your next conversation with God?

Sermon Summary

The doctrine of the Trinity plants its feet on this simple confession: there is one God, and that one God is three persons. The text in 1 John 5:7 lays it out plain: there are three that bear record in heaven, the Father, the Word, and the Holy Ghost, and these three are one. Even if the word Trinity isn’t on the page, the truth is. Just like “Bible” and “rapture” name realities Scripture teaches, “Trinity” names the Bible’s own doctrine. That same text becomes a battleground, because many modern translations strip it out, but the claim stands: God wants his people to know him as triune.

Monotheism comes first. Deuteronomy 6:4, the Shema, thunders, Hear, O Israel, the Lord our God is one Lord. Jesus quotes it. Isaiah 40–46 repeats it till it’s almost funny for how clear it is: “I am God, and there is none else.” When Jesus calls himself the First and the Last, he is not adding a second god; he is identifying himself with the one who already said, I am the first and I am the last. So the church has zero room to imagine three gods. Only one.

Yet that one God speaks of himself with plural pronouns. In creation he says, Let us make man in our image. After the fall he says, The man is become as one of us. At Babel he says, Let us go down. In Isaiah’s vision he asks, Who will go for us? One God, and yet a real plurality within the Godhead.

The persons are distinct. The Son is not the Father, because the Son lifts his eyes and prays to the Father. The Spirit is not the Father, because the Father sends the Spirit. Modalism’s costume-changing god won’t fit the Bible’s data. At Jesus’ baptism, all three act at once: the Son in the water, the Spirit descending like a dove, the Father’s voice from heaven. Hebrews 1 puts the Son at the right hand of the Majesty, which means the Son is not the Father, even as both are fully God.

The Spirit is a person, not an “it.” Jesus keeps saying he, him, and himself about the Comforter. The Spirit teaches, guides, speaks, and can be grieved. Objects don’t love or sorrow, but the Holy Ghost does. So the church must hold both truths tight: one God, and three distinct, coequal, coexistent, coeternal persons. “These three are one.”

Key Takeaways

1. One God, not three gods God insists, over and over, that there is none besides him. The Shema and Isaiah’s chorus of “there is none else” closes the door on any hint of tritheism. When Jesus shares the divine titles, he shares the one divine identity, not a second deity. Monotheism is the ground believers stand on when thinking about Father, Son, and Spirit. [19:01]
2. Three persons, coequal and coexistent The Father, the Son, and the Holy Ghost are not roles on rotation but persons acting together. Jesus prays to the Father, and the Father sends the Spirit, showing distinction and fellowship, not swapping masks. Coexistence guards the church from oneness errors; coequality keeps the church from making one person less than the other. The Godhead is never divided and never collapsed. [10:43]
3. Scripture’s plural pronouns matter “Let us make man in our image” is not poetic fluff. Those plural words pull the curtain back on God’s own inner life, where the one Lord is not solitary. The Bible’s mix of singular and plural for God fits exactly this doctrine: one essence, three persons. That grammar is theology in seed form. [21:39]
4. Jesus’ baptism refutes modalism At the Jordan, the Son stands in the water, the Spirit descends, and the Father speaks from heaven at the same moment. No shape shifting could stage that scene. The triune God reveals himself in real time, three persons acting in one saving mission. The church learns to say what Scripture shows. [29:19]
5. The Spirit is a person, not a force Jesus promises “another Comforter” and keeps saying he, him, and himself of the Holy Ghost. A force can’t teach, guide, speak, or be grieved, but the Spirit does all of that. Treating him as an “it” robs God of honor and the church of comfort. Personal pronouns are pastoral theology here. [36:23]

Youtube Chapters

[00:00] - Welcome
[00:17] - Why teach on the Trinity
[00:32] - “Trinity” not in the Bible
[01:19] - Naming doctrines without the word
[01:52] - The rapture as a parallel
[02:23] - 1 John 5:7 stated
[03:16] - Modern versions omit the verse
[04:37] - Confidence in the KJV
[06:25] - Cults that deny the Trinity
[08:01] - Oneness and modalism defined
[09:29] - Scripture denies shape shifting God
[10:19] - One God affirmed
[10:31] - Three persons defined
[12:43] - The Shema and Jesus’ citation
[14:06] - Isaiah: “There is none else”
[16:22] - “First and Last” and Jesus
[20:24] - One God, three persons
[21:39] - “Let us make man”
[22:57] - “One of us” after the fall
[23:56] - Babel: “Let us go down”
[25:01] - “Who will go for us”
[26:30] - Jesus is not the Father
[26:48] - The Spirit sent by the Father
[28:44] - Triune scene at Jesus’ baptism
[31:55] - The Son at the right hand
[33:56] - Is the Spirit just a force
[34:59] - Personal pronouns for the Spirit
[37:14] - The Comforter’s work described
[39:07] - Holding one God and three persons

Bible Study Guide

Bible Reading
1 John 5:7 (KJV) – “For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one.”
Deuteronomy 6:4 (ESV) – “Hear, O Israel: The Lord our God, the Lord is one.”
Matthew 3:16–17 (ESV) – “And when Jesus was baptized, immediately he went up from the water, and behold, the heavens were opened to him, and he saw the Spirit of God descending like a dove and coming to rest on him; and behold, a voice from heaven said, ‘This is my beloved Son, with whom I am well pleased.’”

Observation questions

In Genesis 1:26, God says, “Let us make man in our image.” What plural pronouns does God use here, and how does this contrast with the singular pronouns in Deuteronomy 6:4?
At Jesus’ baptism (Matthew 3:16–17), how do all three persons of the Trinity appear or act simultaneously? What does this scene reveal about their distinct roles? [29:19]
According to 1 John 5:7, how many “bear record in heaven,” and what does the verse explicitly state about their unity?

Interpretation questions

Why does God repeatedly emphasize His oneness in passages like Isaiah 45:5–6 (“I am the Lord, and there is no other”) while also using plural language like “Let us” in Genesis? How do these two truths coexist?
How does Jesus’ prayer to the Father in John 17:1 challenge the idea that the Father and Son are the same person? What does this distinction mean for how we relate to God? [26:30]
The sermon argues that treating the Holy Spirit as an impersonal “force” dishonors Him. How do Jesus’ descriptions of the Spirit in John 14:16–17 (“He will teach you… He dwells with you”) support the Spirit’s personhood?

Application questions

The Trinity shows that God is relational by nature. How might this truth shape the way you pursue relationships with others—especially in conflict or isolation?
If the Holy Spirit is a person (not a force), how could you grow in relating to Him daily—listening, relying on, or even grieving Him less? [35:38]
Modalism teaches God “swaps roles” instead of existing as three distinct persons. How might this false view diminish the comfort of knowing the Father, Son, and Spirit are all present and active in your life? [28:44]
Deuteronomy 6:4 calls Israel to declare God’s oneness. How can you practically affirm both God’s oneness and His triune nature in conversations with skeptics or confused believers?
The sermon warns against reducing the Trinity to an abstract doctrine. What is one way you could worship each person of the Trinity specifically this week (e.g., thanking the Father for creation, the Son for redemption, the Spirit for guidance)?

Sermon Clips

72s

#OneGodOnly

“``Is there any open interpretation to the idea that perhaps there's three gods in the trinity? There's no way to read that into the text. God has made it absolutely clear that there is one single There is not three of him. There is not two of him. There are not thousands of him or hundreds of him. There is one god and so when we come to the trinity and we see the idea that the spirit is god and Jesus is god, We dare not come to the conclusion that there's three gods because we've just been clearly told over and over and over there is but one and this is the foundational understanding. Oftentimes, Muslims will criticize the Bible. They'll criticize Christianity and they'll say, well, you believe in three gods. No, we do not. We do not believe in three gods and if we do, then, we have severely misunderstood the scriptures. Only one god, no debate about it. So, Jesus and the spirit are not another god. They are persons of the same god. Alright.”

57s

#TrinityTogether

“Because you have all three members of the trinity working at the exact same time. In verse 16, you have Jesus being baptized, right? as he's being baptized, the Bible says the heavens are open and the spirit of god descends like a dove. Jesus is not shape shifting between the spirit and the son. Both of them are there at the same time and furthermore, as those two members of the trinity are there, what happens in verse 17? There comes a voice from heaven. Saying, this is my beloved son and whom I'm well pleased. Who said that? The father did. The father did and so, son, spirit, father, all active at the same time. So, this idea that he's the son for a minute and then he swaps out to the spirit and then he swaps to the father doesn't work because they're all here coexisting at the same time.”

75s

#TrinityExplained

“Outside of Christianity, Judaism rejects the trinity. Judaism rejects the trinity. Islam rejects the trinity and I would say for most of us who do not deny the trinity, we don't reject it. Most of us still don't even understand it and so I think it would do well to do some defining of it. So, that's what I'm going to do. Now, I'm going to define the trinity for you and if you would like to, this might be good for you to write down what the trinity could be defined as. The trinity is the belief that the scriptures teach that there is one god, one god, that's it. Not three gods. One god. And that one god is manifest in three distinct persons. One god, three persons. And those three distinct persons are co equal, coexistent, and co eternal. One god, three persons, co equal, coexistent, co eternal. That is how I would define the trinity.”

49s

#JesusIsTheOnlySavior

“God said, before him, there was no other god. God said, after him, there will be no god. Verse 11, I, even I am the lord and beside me, there is no savior. I'm getting ahead of myself but what's one way we know that Jesus is god? Isn't it interesting that the father in verse 11 that beside him, there is no savior and what is Acts four twelve say? Neither is there salvation in any other for there's none other name under heaven given among men whereby we must be saved referring to Jesus. Right. So, the father said, there's no savior besides him and then, Jesus claims that he is the savior. How could that be? It's the same god. That's how.”

Ask a question about this sermon

Calvary Baptist Church of Live Oak This sermon · AI assistant

How do plural pronouns support divine plurality?

What biblical evidence shows the Spirit is person?

How does the baptism scene disprove modalism?

Discovering the Trinity | 1 John 5 : 7