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Protestant Apologetics

Isaiah Saw Jesus' Glory

John 12:41 / Isaiah 6
Deity of Christ Strong Tone-safe
Doorstep Question
"Can I show you something interesting in your own NWT? In , the apostle John says that Isaiah 'saw his glory and spoke about him.' The 'him' in context is Jesus — we can read the verses around it together. But when we go back to Isaiah 6, where this vision happened, Isaiah says he saw Jehovah. Can we read both passages together and see what John is telling us? "
JW Claim

Jesus is not Jehovah; he is a separate, lesser being created by God before
all other things.

Strategy

This argument pairs two passages — and — to show
that the apostle John identifies Jehovah of Isaiah's throne-room vision with
Jesus. The power of this argument is its simplicity: you only need two passages
and the JW's own NWT to make the case.

The conversation flow:

  1. Read together in the NWT. Establish that 'him' in verse 41
    refers to Jesus (the subject since verse 37: 'although he had performed so
    many signs before them').
  2. Note that John quotes two Isaiah passages: in verse 38 (a
    messianic passage no JW disputes) and in verses 39-40.
  3. Then verse 41 ties them together: 'Isaiah said these things because he saw
    his glory and he spoke about him.' Both quotations are about the same person.
  4. Now read in the NWT. Isaiah says 'I saw Jehovah' (v.1) and
    'my eyes have seen the King, Jehovah of armies' (v.5).
  5. The question writes itself: John says Isaiah saw Jesus' glory. Isaiah says
    he saw Jehovah. Who did Isaiah see?

Use jw.org's own footnote on — it links to , confirming
the Watchtower itself connects these passages. If the JW doubts the connection,
show them this on their own website.

A deeper textual point for prepared conversations: the Greek Septuagint (the
Old Testament the apostles used) uses the same words — horao ('to see') and
doxa ('glory') — in that John uses in . This is the only
place in Isaiah where both words appear together in this context. John is not
making a loose allusion; he is deliberately pointing back to the throne-room
vision.

Key Insight

The apostle John identifies Jehovah of Isaiah 6 as Jesus. He does not hint at it — he states it as the reason Isaiah said what he said. The conclusion is unavoidable when both passages are read side by side.

Likely JW Response 1

John 12:41 is talking about Jehovah's glory, not Jesus' glory — 'his' refers to God, not Jesus.

Your Counter

Read the passage as a unit. — 'Although he had performed so many signs before them, they were not putting faith in him.' The 'he' and 'him' here is clearly Jesus, and it stays Jesus through the entire passage. Verse 41 does not suddenly switch to a different person mid-paragraph. Ask them: 'Who is the "him" in verse 37? And who is the "him" in verse 41? Did John change subjects without telling us?' The grammar is continuous — the referent is Jesus throughout.

Likely JW Response 2

Isaiah 6 is about Jehovah, and John is just saying Jesus reflected or represented Jehovah's glory — like the moon reflects the sun.

Your Counter

John does not say Isaiah saw a reflection of glory. He says Isaiah saw 'his glory' — possessive, belonging to Jesus. And he says Isaiah 'spoke about him' — not about a reflection of him. says 'my eyes have seen the King, Jehovah of armies himself.' That is not reflected glory — Isaiah saw the King directly. If John says that person was Jesus, then Jesus is not a reflection of Jehovah; he is Jehovah. You can also ask: 'Where in the passage does it say reflected or represented? Those words aren't there — can we stay with what the text actually says?'

Likely JW Response 3

There are other passages that clearly show Jesus and Jehovah are separate — like Jesus praying to his Father. You can't build a case on one verse.

Your Counter

That's a fair point, and we can talk about those passages — but can we finish this one first? We brought up John 12 and Isaiah 6, and I'd like to understand what you think John is saying here before we move on. If we jump to twenty different passages, we won't really settle anything. Let's just deal with this one: who did Isaiah see? Your own jw.org footnote on links to , so even the Watchtower connects these passages. What do you think John means when he says Isaiah saw Jesus' glory and spoke about Jesus?

Likely JW Response 4

The Watchtower teaches that Jehovah allowed Jesus to share in his glory in a representational way — Jesus is the image of God, not God himself.

Your Counter

That explanation might work for some passages, but not for this one. Isaiah did not see a representative — he saw the one sitting on the throne, and the seraphim were crying 'Holy, holy, holy is Jehovah of armies.' Isaiah was terrified and said 'Woe to me — my eyes have seen the King, Jehovah of armies himself!' The word 'himself' is there in the NWT. This is not a delegated appearance. And John says that is who Jesus is. The question is simple: do we accept what the apostle John wrote, or do we add qualifications the text does not contain?

What to Avoid

Do not jump ahead to the conclusion before they have read both passages. The power of this argument is in the reading itself — let the text do the work. Do not bring up Greek unless they are interested and the conversation has gone that deep. Do not try to combine this with three other deity arguments in the same conversation. This is a pickaxe argument — go deep on this one pair of passages rather than broad across many.

Homework to Assign
  1. Read in the NWT until you can walk through it from memory.
  2. Read in the NWT and note every time Jehovah is named.
  3. Go to jw.org and verify that the footnote on links to .
  4. Practice the doorstep question out loud until it sounds natural, not scripted.
  5. Prepare for the subject-change attempt — the third JW response above. Your
    answer is always: 'Can we finish this passage first?'
Source: Mike Winger (How to Reach Jehovah's Witnesses), James White (The Forgotten Trinity)
Next in The Key in Your Pocket — A Christ-Centred Reading of Scripture (Step 2 of 10)
Jesus' Eternality
Psalm 102 → Hebrews 1
Next in Use Their Own Bible — The NWT as Evangelism Tool (Step 6 of 7)
Saved by Grace — Past Tense
Ephesians 2:8-9
Next in One Truth Deep — The Pickaxe Method for Reaching Jehovah's Witnesses (Step 4 of 8)
Colossians 1 — Inserted 'Other'
The NWT adds a word that changes everything