Simon Brown.

Join me on this journey. Let's seek the truth together! 💡 Proverbs 8:34-36 Blessed is the man who hears me, watching daily at my gates, waiting at my door posts. For whoever finds me finds life, and will obtain favor from Yahweh. But he who sins against me wrongs his own soul. All those who hate me love death.” Psalm 84: 11 For Yahweh God is a sun and a shield. Yahweh will give grace and glory. He withholds no good thing from those who walk blamelessly. 12 Yahweh of Armies, blessed is the man who trusts in you. 1 John 5:5 Now who is the one overcoming the world, except the one believing that Jesus is the Son of God.

Tuesday, 11 August 2026

What Did Isaiah See? A Bible Study of Isaiah 6:1 and John 12:41

 

Christian Bible study image examining Isaiah 6:1 and John 12:41 and asking whether Isaiah saw Yahweh God or prophetically saw the glory of the coming Messiah Jesus Christ.

What did Isaiah really see? A careful Bible study of Isaiah 6:1 and John 12:41 comparing Yahweh’s throne vision with Isaiah’s prophecies concerning the coming Messiah.

QUICK FACTS:

ISAIAH 6:1 AND JOHN 12:41
DID ISAIAH REALLY SEE JESUS AS YAHWEH GOD?


A CAREFUL EXAMINATION OF ONE OF THE MOST IMPORTANT TRINITARIAN PROOF TEXTS


INTRODUCTION

John 12:41 is frequently presented as powerful evidence that Jesus is Yahweh, the God whom Isaiah saw upon the throne in Isaiah 6.

The argument is usually very simple:

ISAIAH SAW YAHWEH.


JOHN SAYS ISAIAH SAW “HIS GLORY.”


THE CONTEXT IN JOHN CONCERNS JESUS.


THEREFORE:

ISAIAH SAW JESUS.


THEREFORE:

JESUS IS YAHWEH.


At first sight this can appear to be a powerful argument.

But is that actually what John is teaching?

Does John explicitly say:

JESUS IS YAHWEH?

Does he say:

THE PERSON ISAIAH SAW SITTING ON THE THRONE WAS JESUS CHRIST?

Or is John connecting Isaiah's prophetic visions and words with:

THE GLORY OF THE COMING MESSIAH

and:

THE REJECTION OF THE MESSIAH?

To answer this properly, we cannot isolate:

JOHN 12:41.

We must examine:

ISAIAH 6.

ISAIAH 53.

JOHN 12:37–41.

ISAIAH'S TEACHING ABOUT YAHWEH.

ISAIAH'S TEACHING ABOUT THE SERVANT.

AND:

THE DISTINCTION BETWEEN GOD AND HIS MESSIAH.


QUICK FACT 1 — ISAIAH 6 DESCRIBES A VISION OF THE LORD

Isaiah writes:

“In the year of the death of King Uzziah, I saw the Lord sitting on a throne, high and lifted up...”

— Isaiah 6:1


Then the seraphim proclaim:

“Holy, holy, holy, is LORD of Hosts; the whole earth is full of His glory.”

— Isaiah 6:3


The Hebrew text identifies the one being praised as:

YHWH OF HOSTS.


Therefore there is no dispute that Isaiah 6 concerns:

THE GLORY OF YAHWEH.


The real question is:

DOES JOHN 12:41 IDENTIFY JESUS HIMSELF AS THIS YAHWEH?


QUICK FACT 2 — ISAIAH CONSISTENTLY DESCRIBES YAHWEH AS THE ONE GOD

Before deciding that Isaiah's God is actually Jesus, we should first ask:

HOW DOES ISAIAH HIMSELF DESCRIBE GOD?


Isaiah says:

“O LORD our God, save us from his hand, that all the kingdoms of the earth may know that You alone are the LORD.”

— Isaiah 37:20


Notice:

“YOU ALONE ARE THE LORD.”


Isaiah repeatedly uses this kind of exclusive language concerning Yahweh.


QUICK FACT 3 — ISAIAH SAYS THERE IS NO GOD BESIDES YAHWEH

Isaiah records Yahweh saying:

“I am the LORD, and there is no other; besides Me there is no God.”

— Isaiah 45:5


Again:

“I am God, and there is no other; I am God, and there is none like Me.”

— Isaiah 46:9


Again:

“Is there a God besides Me? There is no Rock; I know not any.”

— Isaiah 44:8


Whatever theological interpretation we eventually adopt, Isaiah's language is unmistakably:

MONOTHEISTIC.


There is:

ONE GOD.

NO OTHER GOD BESIDES HIM.


QUICK FACT 4 — ISAIAH CALLS YAHWEH “YOUR HOLY ONE”

Isaiah records:

“I am the LORD, your Holy One, the Creator of Israel, your King.”

— Isaiah 43:15


Notice the singular language:

“I.”

“YOUR HOLY ONE.”

“YOUR KING.”


Throughout Isaiah, Yahweh speaks as:

THE ONE GOD OF ISRAEL.


Therefore if someone claims Isaiah teaches that the Messiah is this same God, that conclusion needs to be demonstrated from the text rather than assumed.


QUICK FACT 5 — ISAIAH ALSO SPEAKS OF A SERVANT CHOSEN BY GOD

Now something extremely important happens.

Isaiah does not merely speak about:

YAHWEH.


He also speaks about:

YAHWEH'S SERVANT.


God says:

“Behold My Servant, whom I uphold, My Chosen One in whom My soul delights. I have put My Spirit upon Him...”

— Isaiah 42:1


Notice the distinction:

GOD:

SPEAKS.


GOD HAS:

A SERVANT.


GOD:

CHOSES HIM.


GOD:

DELIGHTS IN HIM.


GOD PUTS:

HIS SPIRIT UPON HIM.


The most natural reading presents:

THE ONE WHO SENDS

and:

THE ONE WHO IS SENT

as distinguishable.


QUICK FACT 6 — ISAIAH 53 ALSO DISTINGUISHES YAHWEH FROM THE SUFFERING SERVANT

This distinction becomes even clearer in:

ISAIAH 53.


We read:

“the LORD has laid on Him the iniquity of us all.”

— Isaiah 53:6


Notice:

YAHWEH:

LAYS THE INIQUITY

ON:

THE SERVANT.


Then Isaiah describes the servant as:

“stricken, smitten by God, and afflicted.”

— Isaiah 53:4


Again we have:

GOD

and:

THE SUFFERING SERVANT.


This distinction is central to Isaiah's prophecy.


QUICK FACT 7 — THE SERVANT IS THE ONE WHO SUFFERS AND DIES

Isaiah says the servant was:

“pierced for our transgressions.”

— Isaiah 53:5


He was:

“cut off out of the land of the living.”

— Isaiah 53:8


And:

“poured out His soul to death.”

— Isaiah 53:12


The New Testament applies this suffering-servant prophecy to:

JESUS CHRIST.


Therefore Isaiah gives us a powerful prophetic pattern:

YAHWEH:

THE GOD WHO PURPOSES SALVATION.


THE SERVANT:

THE ONE THROUGH WHOM GOD'S SAVING PURPOSE IS ACCOMPLISHED.


QUICK FACT 8 — JESUS HIMSELF DESCRIBES HIS MISSION AS DOING THE WILL OF THE ONE WHO SENT HIM

Jesus says:

“For I have come down from heaven, not that I should do My will, but the will of the One having sent Me.”

— John 6:38, BLB


Notice:

JESUS HAS:

A WILL.


THE ONE WHO SENT HIM HAS:

A WILL.


JESUS CAME TO DO:

THE WILL OF THE ONE WHO SENT HIM.


This fits naturally with Isaiah's distinction between:

GOD

and:

HIS SERVANT.


QUICK FACT 9 — JOHN 12 QUOTES TWO DIFFERENT PASSAGES FROM ISAIAH

Now we come to the crucial evidence.

John writes:

“Though He had done so many signs before them, they still were not believing in Him.”

— John 12:37


Then John quotes Isaiah:

“Lord, who has believed our report? And to whom has the arm of the Lord been revealed?”

— John 12:38


This quotation comes from:

ISAIAH 53:1.


That is extremely important.

John is explicitly connecting the unbelief surrounding Jesus with:

ISAIAH'S SUFFERING-SERVANT PROPHECY.


But John then gives another Isaiah quotation:

“He has blinded their eyes and hardened their heart...”

— John 12:40


This comes from:

ISAIAH 6:10.


Therefore John deliberately brings together:

ISAIAH 53

and:

ISAIAH 6.


Any serious interpretation of John 12:41 must acknowledge:

BOTH PASSAGES.


QUICK FACT 10 — JOHN THEN SAYS ISAIAH “SAW HIS GLORY”

John concludes:

“Isaiah said these things because he saw His glory and spoke concerning Him.”

— John 12:41, BLB


This is the central verse.


The Trinitarian argument is:

“HIS”

refers to:

JESUS.


Therefore:

ISAIAH SAW JESUS' GLORY.


And because Isaiah 6 describes:

YAHWEH'S GLORY,

the conclusion is:

JESUS IS YAHWEH.


But there is an important question:

DOES SEEING THE GLORY OF THE MESSIAH IN PROPHETIC VISION NECESSARILY MEAN THAT THE MESSIAH IS IDENTICAL TO YAHWEH?


That conclusion does not automatically follow.


QUICK FACT 11 — PROPHETS COULD “SEE” FUTURE MESSIANIC EVENTS

Jesus says something remarkable concerning Abraham:

“Abraham your father rejoiced that he should see My day; and he saw it and rejoiced.”

— John 8:56, BLB


Abraham:

“SAW”

CHRIST'S DAY.


But this does not mean Abraham literally saw Jesus physically standing before him during Jesus' earthly ministry.


The language concerns:

PROPHETIC PERCEPTION

of a future reality.


Likewise Isaiah could:

SEE CHRIST'S GLORY

and:

SPEAK ABOUT CHRIST

through prophecy without this automatically meaning:

ISAIAH BELIEVED JESUS WAS YAHWEH.


QUICK FACT 12 — JESUS HIMSELF SAYS THE PROPHETS SPOKE ABOUT HIM

After His resurrection Jesus says:

“Was it not necessary for the Christ to suffer these things and to enter into His glory?”

— Luke 24:26, BLB


Then:

“having begun from Moses and from all the Prophets, He interpreted to them the things concerning Himself in all the Scriptures.”

— Luke 24:27, BLB


Notice the connection:

THE PROPHETS:

SPOKE ABOUT CHRIST.


CHRIST:

SUFFERS.


CHRIST:

ENTERS INTO HIS GLORY.


Therefore John saying Isaiah:

“SAW HIS GLORY AND SPOKE CONCERNING HIM”

can naturally be understood within the broader New Testament teaching that:

ISAIAH PROPHETICALLY SAW AND SPOKE ABOUT THE MESSIAH.


QUICK FACT 13 — JOHN 12:41 DOES NOT CONTAIN THE SENTENCE “JESUS IS YAHWEH”

This simple fact matters.

John does not write:

ISAIAH SAW JESUS BECAUSE JESUS IS YAHWEH.


He does not write:

THE LORD SITTING UPON THE THRONE IN ISAIAH 6:1 WAS JESUS.


He writes:

“ISAIAH SAID THESE THINGS BECAUSE HE SAW HIS GLORY AND SPOKE CONCERNING HIM.”


Therefore:

JESUS IS YAHWEH

is:

AN INTERPRETIVE CONCLUSION

drawn from the passage.


It is not:

AN EXPLICIT STATEMENT MADE BY JOHN.


CONTINUED IN:

PART TWO


In Part Two we will examine the strongest challenge to this interpretation:

IF JOHN 12:40 DIRECTLY QUOTES ISAIAH 6:10, DOES “HIS GLORY” IN JOHN 12:41 REFER BACK TO ISAIAH'S VISION OF YAHWEH?


We will examine:

ISAIAH 6:1–10.

JOHN 12:37–41.

ISAIAH 53:1.

THE TWO ISAIAH QUOTATIONS JOHN PLACES TOGETHER.

THE GLORY OF GOD.

THE GLORY OF THE MESSIAH.

AND:

WHETHER SHARING OR REVEALING GOD'S GLORY MAKES JESUS THE SAME BEING AS GOD.


Then we will compare this with the many passages describing Jesus as:

AT THE RIGHT HAND OF GOD.


The central question remains:

DID JOHN REALLY IDENTIFY JESUS AS YAHWEH—

OR:

DID ISAIAH PROPHETICALLY SEE THE GLORY OF GOD'S COMING MESSIAH?


SEARCH THE SCRIPTURES.

COMPARE THE TRANSLATIONS.

EXAMINE THE ORIGINAL CONTEXT.

TEST EVERY INTERPRETATION.

FOLLOW THE BIBLICAL EVIDENCE WHEREVER IT LEADS.

QUICK FACTS:
ISAIAH 6:1 AND JOHN 12:41
DID ISAIAH REALLY SEE JESUS AS YAHWEH GOD?

PART TWO

CONTINUED FROM PART ONE

QUICK FACT 14 — JOHN 12:40 REALLY DOES QUOTE ISAIAH 6:10

This point must be acknowledged clearly.

John writes:

“He has blinded their eyes and hardened their heart, lest they should see with the eyes, and understand with the heart, and turn, and I will heal them.”

— John 12:40, BLB

This quotation comes from:

ISAIAH 6:10.

Therefore we should NOT argue that:

JOHN 12 HAS NOTHING TO DO WITH ISAIAH 6.

It clearly does.

The real question is much more precise:

WHEN JOHN THEN SAYS THAT ISAIAH:

“SAW HIS GLORY AND SPOKE CONCERNING HIM,”

DOES JOHN MEAN THAT:

JESUS HIMSELF WAS YAHWEH SITTING UPON THE THRONE?

Or can John be connecting Isaiah's prophetic ministry with:

THE GLORY

and:

THE REJECTION

OF THE COMING MESSIAH?

That is the question we must investigate.

QUICK FACT 15 — JOHN HAS JUST QUOTED ISAIAH 53 AS WELL AS ISAIAH 6

This is extremely important.

Immediately before quoting Isaiah 6:10, John quotes:

ISAIAH 53:1.

John writes:

“Lord, who has believed our report? And to whom has the arm of the Lord been revealed?”

— John 12:38, BLB

Therefore the sequence is:

JOHN 12:38

ISAIAH 53:1.

THEN:

JOHN 12:40

ISAIAH 6:10.

THEN John says:

“Isaiah said these things because he saw His glory and spoke concerning Him.”

— John 12:41, BLB

Notice:

John has brought together:

ISAIAH 53

AND:

ISAIAH 6.

Therefore we must not interpret John 12:41 as though the only Isaiah passage John has in view is:

ISAIAH 6:1.

QUICK FACT 16 — ISAIAH 53 CLEARLY CONCERNS THE COMING SERVANT

Isaiah 53 describes someone who:

IS DESPISED.

IS REJECTED.

SUFFERS.

IS PIERCED.

IS CUT OFF.

AND:

POURS OUT HIS LIFE TO DEATH.

The New Testament identifies this suffering servant prophecy with:

JESUS CHRIST.

Therefore when John quotes Isaiah 53:1 in the context of people refusing to believe in Jesus, the connection is powerful:

ISAIAH HAD PROPHETICALLY SPOKEN ABOUT:

THE MESSIAH.

THE MESSIAH COMES.

MANY:

DO NOT BELIEVE.

John sees Isaiah's prophecy being fulfilled in:

JESUS.

QUICK FACT 17 — ISAIAH 6 EXPLAINS THE HARDNESS AND UNBELIEF

John then quotes Isaiah 6:10:

“He has blinded their eyes and hardened their heart...”

— John 12:40, BLB

Why?

Because John is explaining:

WHY SO MANY PEOPLE DID NOT BELIEVE IN JESUS

despite the signs He had performed.

John begins this section by saying:

“Though He had done so many signs before them, they still were not believing in Him.”

— John 12:37, BLB

Then he uses Isaiah to explain that unbelief.

Therefore the immediate subject of John 12:37–41 is:

THE REJECTION OF JESUS.

QUICK FACT 18 — JOHN'S TWO ISAIAH QUOTATIONS WORK TOGETHER

Look at the structure carefully:

JESUS PERFORMS MANY SIGNS.

THE PEOPLE:

DO NOT BELIEVE.

THEN:

ISAIAH 53:

“WHO HAS BELIEVED OUR REPORT?”

THEN:

ISAIAH 6:

THEIR EYES ARE BLINDED AND THEIR HEARTS HARDENED.

THEN:

JOHN:

“ISAIAH SAID THESE THINGS BECAUSE HE SAW HIS GLORY AND SPOKE CONCERNING HIM.”

John is therefore showing that Isaiah's prophetic writings anticipated:

THE MESSIAH.

HIS GLORY.

AND:

THE UNBELIEF THAT WOULD SURROUND HIM.

But does this necessarily mean:

THE MESSIAH IS YAHWEH?

That still has to be demonstrated.

QUICK FACT 19 — “HIS GLORY” DOES NOT BY ITSELF MEAN “HE IS YAHWEH”

Jesus undeniably possesses:

GLORY.

The New Testament repeatedly speaks about:

THE GLORY OF CHRIST.

But possessing glory does not automatically mean:

BEING THE ONE GOD.

Jesus himself says:

“The glory which You have given Me, I have given them...”

— John 17:22, BLB

Notice something remarkable:

GOD:

GIVES JESUS:

GLORY.

Then Jesus says He has given:

GLORY

to:

HIS DISCIPLES.

Therefore:

RECEIVING GLORY

or:

SHARING GLORY

does not establish identity with:

GOD HIMSELF.

QUICK FACT 20 — JESUS SAYS THE FATHER GAVE HIM GLORY

Jesus prays:

“And now glorify Me, You Father, with Yourself, with the glory that I had with You before the world existed.”

— John 17:5, BLB

Whatever interpretation is given to this verse, notice the relationship:

JESUS:

PRAYS TO:

THE FATHER.

And asks:

THE FATHER

to:

GLORIFY HIM.

Throughout John's Gospel there remains a distinction between:

THE ONE WHO GLORIFIES

and:

THE ONE WHO IS GLORIFIED.

Therefore references to:

CHRIST'S GLORY

do not automatically erase the distinction between:

JESUS

and:

HIS FATHER.

QUICK FACT 21 — JOHN SAYS GOD GLORIFIED HIS SERVANT JESUS

This distinction becomes especially clear elsewhere in the New Testament.

Peter says:

“The God of Abraham and Isaac and Jacob, the God of our fathers, glorified His servant Jesus...”

— Acts 3:13, BLB

Notice:

THE GOD OF ABRAHAM:

GLORIFIED:

HIS SERVANT JESUS.

There are clearly:

TWO REFERENTS.

THE GOD WHO GLORIFIES.

AND:

JESUS WHOM GOD GLORIFIES.

Therefore the fact that Jesus possesses:

GLORY

does not by itself identify Jesus as:

THE GOD WHO GAVE HIM THAT GLORY.

QUICK FACT 22 — JESUS DISTINGUISHES HIS OWN GLORY FROM THE FATHER'S GLORY

Jesus says:

“For whoever shall have been ashamed of Me and My words, of him the Son of Man will be ashamed when He shall come in His glory, and that of the Father and of the holy angels.”

— Luke 9:26, BLB

Notice:

THE SON OF MAN'S GLORY.

THE FATHER'S GLORY.

AND:

THE GLORY OF THE HOLY ANGELS.

The fact that glory can be associated with:

JESUS.

THE FATHER.

AND:

ANGELS

shows that the word:

GLORY

does not itself establish:

IDENTITY OF BEING.

The question must always be determined from:

CONTEXT.

QUICK FACT 23 — ISAIAH CAN SEE THE GLORY OF YAHWEH AND ALSO PROPHETICALLY SEE THE GLORY OF THE MESSIAH

There is no contradiction in saying:

ISAIAH SAW:

THE GLORY OF YAHWEH.

And:

ISAIAH PROPHETICALLY SAW:

THE GLORY OF THE COMING MESSIAH.

Isaiah contains both:

VISIONS OF GOD

and:

PROPHECIES OF GOD'S SERVANT.

John can therefore draw upon Isaiah's writings and explain that Isaiah:

“SAW HIS GLORY AND SPOKE CONCERNING HIM”

without necessarily teaching that:

THE SERVANT

and:

THE GOD WHO SENT THE SERVANT

are the same person or being.

QUICK FACT 24 — ISAIAH HIMSELF DISTINGUISHES YAHWEH FROM THE ONE SENT BY YAHWEH

Consider Isaiah 61.

The speaker says:

“The Spirit of the Lord GOD is upon Me, because the LORD has anointed Me...”

— Isaiah 61:1

Jesus later applies this passage to Himself.

— Luke 4:18–21

Notice the structure:

YAHWEH:

ANOINTS.

THE MESSIAH:

IS ANOINTED.

YAHWEH'S SPIRIT:

IS UPON HIM.

Again:

THE ONE WHO ANOINTS

is distinguished from:

THE ONE WHO IS ANOINTED.

This distinction appears throughout messianic prophecy.

QUICK FACT 25 — JESUS HIMSELF SAYS HE WAS SENT BY THE FATHER

John's Gospel repeatedly records Jesus saying that:

THE FATHER SENT HIM.

Jesus says:

“My food is that I should do the will of the One having sent Me and should finish His work.”

— John 4:34, BLB

Again:

“My teaching is not Mine, but of the One having sent Me.”

— John 7:16, BLB

Again:

“I have not come of Myself, but He who sent Me is true...”

— John 7:28, BLB

Therefore John's Gospel repeatedly presents:

THE SENDER

and:

THE ONE SENT.

Any interpretation of John 12:41 should remain consistent with this repeated distinction.

QUICK FACT 26 — JESUS IDENTIFIES THE FATHER AS “THE ONLY TRUE GOD”

This statement must also remain part of the discussion.

Jesus prays to His Father:

“Now this is eternal life, that they may know You, the only true God, and Jesus Christ, whom You have sent.”

— John 17:3, BLB

Notice:

“YOU”

THE FATHER:

“THE ONLY TRUE GOD.”

AND:

“JESUS CHRIST”

THE ONE:

“WHOM YOU HAVE SENT.”

Therefore when interpreting John 12:41, we should not isolate one difficult statement from John's wider Gospel.

John 17:3 provides an explicit distinction between:

THE ONLY TRUE GOD

and:

JESUS CHRIST WHOM HE SENT.

CONTINUED IN:

PART THREE

In Part Three we will examine the strongest form of the Trinitarian argument:

ISAIAH 6:1 SAYS ISAIAH SAW “THE LORD.”

ISAIAH 6:5 IDENTIFIES HIM AS “YAHWEH OF HOSTS.”

JOHN 12:41 SAYS ISAIAH SAW “HIS GLORY.”

SO:

DOES THE NEAREST GRAMMATICAL CONTEXT MAKE JESUS THE YAHWEH OF ISAIAH 6?

We will examine this argument fairly rather than avoiding it.

We will also compare:

JOHN 12:41

with:

JOHN 17:3.

ACTS 3:13.

ISAIAH 42:1.

ISAIAH 53.

ISAIAH 61:1.

AND:

THE NEW TESTAMENT PICTURE OF JESUS AT:

THE RIGHT HAND OF GOD.

The question remains:

DID JOHN INTEND TO IDENTIFY JESUS HIMSELF AS YAHWEH—

OR:

IS JOHN SAYING THAT ISAIAH'S PROPHETIC VISIONS AND WORDS ANTICIPATED THE GLORY, SUFFERING AND REJECTION OF GOD'S MESSIAH?

SEARCH THE SCRIPTURES.

COMPARE THE TRANSLATIONS.

READ THE WHOLE CONTEXT.

TEST EVERY INTERPRETATION.

FOLLOW THE BIBLICAL EVIDENCE WHEREVER IT LEADS.






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