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Why Did Jesus Call The Father “The Only True God”?

THE ONLY TRUE GOD

The argument started over sweet potatoes.

That is how most family disasters begin—not with a formal announcement, not with thunder, but with somebody passing a dish across a crowded table and one uncle deciding it is the perfect time to challenge two thousand years of Christian belief.

It was Thanksgiving in New Jersey. The house was too warm. Kids were running between the kitchen and living room. Football was shouting from the television. My aunt had cooked enough food to feed a small army and still complain that nobody ate enough.

Then Uncle Ray cleared his throat.

I knew that sound.

Everybody knew that sound.

It was the sound of a man about to ruin dessert.

He pointed his fork at me and said, “So explain this.”

My cousin muttered, “Here we go.”

Uncle Ray ignored him.

“Jesus said the Father is the only true God. Right?”

I took a slow sip of water.

“Yes.”

“So then Jesus is not God.”

The table went quiet.

My aunt closed her eyes.

“Raymond, please.”

“No, I’m serious,” he said. “People dance around it, but it’s right there. ‘The only true God.’ Only means only.”

He looked satisfied, like he had just solved a mystery the rest of us had been too afraid to face.

I did not answer immediately.

Partly because I was tired.

Partly because I was deciding whether sweet potatoes deserved to be dragged into a theological street fight.

But mostly because I knew the question mattered.

A lot.

Many people stumble over that line from Jesus’ prayer. I understand why. The word only feels sharp. Exclusive. Like a door closing. If the Father is the only true God, then what does that make the Son?

A lesser being?

A messenger?

A holy man?

A created agent?

It sounds simple if you isolate the sentence.

But Scripture is not meant to be read like fortune cookie fragments. Context matters. Story matters. The whole Gospel matters.

So I put down my fork.

“Ray,” I said, “what do you think Jesus was contrasting the Father with?”

He frowned.

“What?”

“When He says ‘the only true God,’ who are the false ones?”

He blinked.

That was the first crack in the wall.

Because Jesus was praying as a Jew in a world full of idols.

To first-century Jewish ears, “the only true God” was not a strange new idea. It was the heartbeat of Israel’s faith. Hear, O Israel: the Lord our God, the Lord is one. Israel’s confession stood against the nations and their gods, against carved idols, temple rituals, emperor worship, spiritual confusion, and every false power that claimed loyalty from human hearts.

The world around Jesus was thick with religion. There were gods for harvests, gods for storms, gods for fertility, gods for cities, gods for trades, gods for victory. Rome allowed plenty of gods as long as everyone kept the peace and honored the emperor.

In that world, saying “the only true God” was not a polite private belief.

It was a challenge.

It meant: turn from the many to the One.

It meant: idols cannot save.

It meant: Caesar is not Lord.

It meant: the God of Israel alone is Creator, Judge, Redeemer, and Life.

Jesus was not lowering Himself in that prayer. He was standing inside Israel’s monotheistic faith and revealing how the one true God makes Himself known.

Through the Son.

That is the part people skip.

Jesus does not define eternal life as knowing the Father while ignoring the Son. He says eternal life is knowing the only true God and Jesus Christ whom He has sent.

The Father and the sent Son are joined in the very definition of eternal life.

That is not a throwaway phrase.

If Jesus were merely a creature, that would be shocking. Imagine a prophet saying, “Eternal life is that people know God and me.” A faithful prophet would never speak that way unless his role in revealing God was unlike any other.

Uncle Ray leaned back.

“But He says the Father sent Him. That means He’s under the Father.”

“It means He is distinct from the Father,” I said. “Not that He is outside the identity of God.”

Ray shook his head.

“Sounds like word games.”

I understood the frustration. Sometimes Christians have used complicated language to hide unclear thinking. But this was not wordplay. This was the shape of John’s Gospel.

The Father sends.

The Son is sent.

The Son glorifies the Father.

The Father glorifies the Son.

The Son asks for the glory He had with the Father before the world existed.

Before the world existed.

That line matters.

If you read “only true God” in verse 3 and ignore the shared glory before creation in verse 5, you make Jesus contradict Himself inside the same prayer.

The prayer will not allow that.

The Gospel of John opens with the highest possible claim: In the beginning was the Word, and the Word was with God, and the Word was God. John does not begin with Jesus as a wise teacher and slowly upgrade Him. He starts before creation. He tells us the Word was with God and was God.

Unity and distinction from the first sentence.

That is the rhythm.

The Son is not the Father.

The Son is not a second god.

The Son shares the divine identity and reveals the Father.

Uncle Ray looked unconvinced, but less comfortable.

My aunt whispered, “Can we please eat?”

Nobody moved.

So I tried another approach.

“Ray, remember when Thomas sees the risen Jesus?”

He nodded.

“What does he say?”

Ray looked away.

“My Lord and my God.”

“And Jesus rebukes him?”

Ray said nothing.

“No,” I said. “Jesus receives it.”

That is not small.

Then there are the other moments. Jesus forgives sins. Jesus gives life. Jesus claims judgment. Jesus receives worship. Jesus speaks of existing before Abraham with language that echoes God’s own self-revelation. Jesus says He and the Father are one, and the leaders understand enough to accuse Him of making Himself God.

The issue in the Gospels is not that people accidentally misunderstood a humble teacher.

They understood the weight of His claims.

They just rejected them.

That makes Jesus impossible to keep in a safe category.

He is not merely inspirational.

He is not a spiritual accessory.

He is not a mascot for moral improvement.

He is either revealing the only true God, or He is saying things no faithful human should say.

That is the pressure of the Gospel.

Dinner eventually resumed, but the air had changed. My uncle made a few sarcastic comments, then drifted into football. My aunt gave me a look that said both thank you and I may kill your uncle before Christmas.

Later, I found Ray on the porch.

He was smoking, even though he had claimed for ten years that he had quit.

The November air was cold. Across the street, colored lights blinked too early for Christmas.

He did not look at me.

“I don’t like feeling stupid,” he said.

“You’re not stupid.”

“I thought that verse was obvious.”

“It is important,” I said. “Just not isolated.”

He took a drag and exhaled slowly.

“My problem is the Trinity. I don’t see how God can be one and still Father, Son, Spirit.”

I leaned against the railing.

“I don’t think we’re supposed to reduce it until it fits neatly in our hands.”

He laughed without humor.

“That’s convenient.”

“Maybe. Or maybe God is bigger than our categories.”

He was quiet.

I said, “If God were simple enough for me to fully explain, I’m not sure He’d be big enough to save me.”

That landed somewhere. I could tell.

Ray had always respected honesty more than religious confidence.

The conversation ended there, but the question did not.

Months later, he called me from a hospital parking lot.

His best friend, Milo, had suffered a stroke. Ray sounded smaller than usual. Fear does that. It strips the costume off a man.

“I keep thinking about eternal life,” he said.

I sat down at my kitchen table.

“Yeah?”

“Jesus said it’s knowing God.”

“Yes.”

“Not just going somewhere after death.”

“Right. It includes resurrection hope, but eternal life begins as relationship. Knowing the living God.”

“And Jesus says knowing Him is tied to that.”

“Yes.”

Ray was silent.

Then he said, “That bothers me.”

“Why?”

“Because I can argue with religion. I can argue with churches. I can argue with doctrines. But if eternal life is knowing God through Jesus, then I have to deal with Him.”

That was the most honest thing he had ever said to me.

And he was right.

Many people hide behind debates because debates feel safer than surrender. As long as Jesus remains a topic, you can control the distance. You can analyze Him, challenge Him, admire Him, criticize His followers, and keep your heart untouched.

But the Gospel does not present Jesus as a topic.

It presents Him as the Son sent by the Father so that the world may know the only true God.

That is personal.

It demands response.

I told Ray, “You don’t have to solve every mystery tonight. But you do have to be honest about whether you’re resisting confusion or resisting Christ.”

He sighed.

“You always say things like your grandmother.”

“That’s because she was usually right.”

A few weeks later, Milo died.

Ray attended the funeral and said almost nothing. Afterward, he came to my house. We sat in the backyard with coffee that went cold before either of us finished it.

“He was scared,” Ray said.

“Milo?”

Ray nodded.

“At the end. He kept asking if God would receive him.”

“What did you tell him?”

“I didn’t know what to tell him.”

His voice cracked.

That broke something in me. Not because Ray was always strong, but because he had worked so hard to appear untouchable.

I said, “The only true God is not an idol waiting to be impressed. He is the Father who sent the Son. And the Son came for sinners. That includes scared men in hospital beds. That includes you.”

Ray wiped his face roughly.

“I don’t know how to pray.”

“Tell the truth.”

He looked at me.

“That’s it?”

“That’s a start.”

So he prayed. Not beautifully. Not smoothly. It was not church language. It was Ray language.

“God, I don’t understand You. I don’t understand Jesus. I don’t understand half of what people say. But if You are true, and if Jesus is the way You came near, then help me stop running.”

That was all.

But it was real.

And real prayers have a way of opening doors polished speeches cannot.

Over the next year, Ray changed slowly.

Very slowly.

He still argued. He still asked hard questions. He still annoyed my aunt at holidays. But something softened. He began reading John’s Gospel not to win, but to see. He noticed how Jesus spoke of the Father with love, not rivalry. He noticed how the Father glorified the Son. He noticed how the Son’s obedience was not weakness but divine love in motion.

He began to understand that inside God, glory is not a scarce resource.

The Father does not lose honor when the Son is honored.

The Son does not become less divine by loving and obeying the Father.

The Spirit does not distract from the Son, but makes Him known.

One God.

Not lonely power.

Not competing deities.

Not shifting masks.

Father, Son, and Holy Spirit in perfect unity.

The phrase “only true God” became precious to Ray, not because it excluded Jesus, but because it exposed idols.

And idols were everywhere.

Money.

Control.

Politics.

Masculine pride.

Family reputation.

The need to be right.

Ray had worshiped some of them without bowing his knees.

We all have.

That is why the claim matters. If there are many true gods, we can add Jesus to the shelf. A little spirituality here, a little self-rule there, a little cultural religion when convenient.

But if the Father is the only true God, and Jesus is the One He sent, then the Gospel is not an accessory.

It is a summons.

Turn from idols.

Receive the Son.

Know the Father.

Live.

Years later, at another Thanksgiving, Ray raised his glass before dinner.

Everyone froze. We had trauma from previous speeches.

He cleared his throat.

“I’m not starting a debate.”

My cousin whispered, “Praise God.”

Ray ignored him.

“I just want to say I’m thankful that God is patient with stubborn men.”

My aunt put her hand over her mouth.

Ray looked at me briefly, then continued.

“And I’m thankful that eternal life is not about being smart enough to win arguments. It’s knowing the only true God through Jesus Christ whom He sent.”

The room was quiet.

Then my aunt cried.

Then somebody made a joke because our family cannot handle holiness for too long.

But I remember that moment.

Because the sentence that once sounded like a weapon against Jesus had become a doorway to worship.

The Father is the only true God over against idols.

The Son shares the Father’s glory and makes Him known.

The Spirit opens blind eyes to see.

And eternal life is not merely endless existence.

It is knowing Him.

The living God.

The God who is one.

The God who is Father, Son, and Holy Spirit.

The God who does not invite us to solve Him like a puzzle, but to receive Him as life.