THE HOLY TRINITY

Can We Be Sure Isaiah 48:16 Is a Clear Early Hint of the Trinity?

ttdf_d3ef645f · · 17 min read

Isaiah 48:16: The verse sits in a chapter about idols, exile and the faithfulness of God. Christians often point to the verse as one of the earliest glimpses of the Trinity in the Old Testament. Critics reply we’re reading our own beliefs backwards into an ancient Hebrew text. So which is it? Let’s take the verse apart slowly, look at the Hebrew, listen to the objections, and answer the question honestly.

FIRST, A DEFINITION

The word Trinity means there is one God, and that this one God exists eternally as three persons: the Father, the Son and the Holy Spirit. Not three gods, and not one God changing costume between scenes. One God, three persons, each fully God, distinct but never divided.

The verse that seems to say too much

Here’s Isaiah 48:16 in full:

“Draw near to me, hear this: from the beginning I have not spoken in secret, from the time it came to be I have been there.” And now the Lord GOD has sent me, and His Spirit.

Read that final line again. Somebody speaking in the first person says He has been sentsent by “the Lord GOD”—by Adonai YHWH (in Hebrew)—a title that combines “Master” with the personal covenant name God revealed to Moses. Then the Spirit is named right alongside him.

That is three parties in one short sentence: the One who sends, the One who is sent, and the Spirit. The question is whether that content is really there, or whether Christian readers have put it there.

Who has been speaking all this time?

Context decides almost everything here. Isaiah 4048 is one long courtroom scene in which God argues His case against the idols of Babylon. And His evidence is prophecy: only the true God announces events before they happen.

In verses 12 and 13 the speaker says: “I am He; I am the first, and I am the last. My hand laid the foundation of the earth, and my right hand spread out the heavens.”

No prophet has ever said that about himself. This is God speaking about God. Then verses 14 and 15 turn to Cyrus, the Persian king God will raise up to send Israel homeand Cyrus is spoken of in the third person: him, he, his way.

Then comes verse 16, and here’s the strange thing: there’s no hint of a change in speaker. The same “I” simply continues—making the kind of claims only God can: “from the beginning I have not spoken in secret, from the time it came to be I have been there.” The speaker claims to have been present from the moment creation began. And then, in the same breath, the speaker says He was sent.

THE PUZZLE IN ONE SENTENCE

The speaker talks like God, and then says God sent Himand mentions the Spirit in the same line.

What does “and His Spirit” actually attach to?

The Hebrew of the last clause is short: we’attah Adonai YHWH shelachani weruho—word by word, “and now / the Lord GOD / has sent me / and His Spirit”.

The debate is about those last two words. Does “and his Spirit” belong with “me”, as a second party who is sent? Or with “the Lord GOD”, as a second party doing the sending? Hebrew allows both, because it often places a compound subject after the verb, with the verb agreeing with the nearest noun. The main English versions divide as follows:

ReadingHow it is translatedVersions
The Spirit is sent (second object)“the Lord GOD has sent me, and his Spirit”ESV, KJV, NKJV, NASB, NRSV, CSB
The Spirit sends (compound subject)“the Lord GOD and his Spirit have sent me”Noted in the NET Bible margin, and in the NLT
The Spirit equips (instrumental)“sent me, endowed with his Spirit”NIV

Now notice something often missed, which strengthens the case considerably:

The three-party shape survives either of the first two readings.

  • Reading one: God sends a person, and God sends his Spirit. Two are sent by one.
  • Reading two: God and his Spirit together send a person. Two send one.
  • Either way we have a Sender, a Sent One, and the Spirit named as a distinct partynot as an impersonal power, because impersonal powers aren’t listed as partners in an act of sending.

The third reading is the weakest. “Endowed with His Spirit” isn’t a translation but an explanation slipped into the text, and the Hebrew has no preposition or participle to support it. Where a version must add words to make a difficulty disappear, that difficulty is usually telling us something.

So who is the one who is sent?

Candidate 1: Isaiah himself

This is the view John Calvin held. On this reading the prophet steps forward at the end of the verse to remind his hearers he does not speak on his own authority: God commissioned him, and God’s Spirit stands behind his words.

The strength of the view is real. Prophets are sent and are equipped by the Spirit. Ezekiel is told, “the Spirit entered into me… and he said to me, ‘Son of man, I send you'” (Ezekiel 2:23). Micah says, “I am filled with power, with the Spirit of the LORD” (Micah 3:8). Calvin, always suspicious of squeezing doctrine out of thin evidence, took the plain pastoral route.

But it has two hard problems. First, it requires an unannounced change of speaker mid-verse, in a passage where every “I” for five verses has been God Himselfwith no signal at all. Second, and more seriously, the first half of the verse doesn’t sound like a prophet. “From the time it came to be I have been there” claims presence when the world began. That’s a claim Isaiah cannot make.

Candidate 2: Cyrus

Candidate 2 can be aside quickly: Cyrus may the one spoken of in the third person in the two preceding verses (Isaiah 48:14-15). But a pagan king cannot be the one speaking in the voice of the Almighty.

Candidate 3: the Servant of the LORD

The third view identifies the speaker as the promised Servant, the Messiah Isaiah has been preparing us to meet. Two pieces of evidence make this by far the strongest reading.

  • The position of the verse. Isaiah 48 closes the first half of this section; Isaiah 49 opens the secondwith “Listen to me, O coastlands… The LORD called me from the womb” (49:1). That is the Servant, speaking in the first person, echoing 48:16a: “Draw near to me, hear this.” Verse 16 reads like the Servant’s opening word, placed at the seam.
  • The parallel with Isaiah 61:1. “The Spirit of the Lord GOD is upon me, because the LORD has anointed me… he has sent me to bind up the broken-hearted.” Look at the overlap: the same divine name, Adonai YHWH; the same verb, “sent”; the same Spirit; the same first-person speaker. And in Luke 4 Jesus reads that passage aloud at Nazareth, rolls up the scroll and says, “Today this Scripture has been fulfilled in your hearing” (Luke 4:21).

Edward J Young, whose three-volume commentary on Isaiah remains one of the most careful studies in English, argued the context simply forbids handing these words to the prophet: the speaker must be the Messiah. Once you see how tightly 48:16, 49:1 and 61:1 lock together, that’s hard to avoid.

One verse, or a pattern?

A single unusual verse is a curiosity. A repeated shape is evidence. Lay Isaiah’s major Servant passages side by side and the same three-part pattern keeps appearing:

PassageThe LORDThe Anointed OneThe Spirit
Isaiah 11:12The God of the covenantA shoot from Jesse’s stumpThe Spirit of the LORD rests upon him
Isaiah 42:1“Behold my servant”The Servant, upheld by God“I have put my Spirit upon him”
Isaiah 48:16The Lord GOD who sendsThe one who says “he has sent me”“and his Spirit”
Isaiah 61:1The Lord GOD who anointsThe anointed and sent one“The Spirit of the Lord GOD is upon me”
Isaiah 63:714The LORD, Israel’s Saviour“The angel of his presence”“his Holy Spirit”, who is grieved

J Alec Motyer, in his commentary on Isaiah, drew attention to exactly this: the prophet returns again and again to a settled grouping: of the LORD, and of the Anointed One, and of the Spirit. One instance might be an accident of phrasing. Five, always in the context of salvation, is a design.

The last line of that table repays a second look. In Isaiah 63:10 the people “rebelled and grieved His Holy Spirit.” Wind cannot be grieved; only a person canwhich is why Paul later writes, “do not grieve the Holy Spirit of God” (Ephesians 4:30). Isaiah already treats the Spirit as someone, not something.

The apostles were reading Isaiah this way already

This, more than any point of grammar, is what makes the case watertight. If everything depended on one verse we might fairly be accused of forcing itbut the New Testament writers handle Isaiah as a whole in a way that assumes exactly this shape.

Take the most famous passage in the book: Isaiah’s vision in chapter 6 of the Lord high and lifted up, the seraphim crying “Holy, holy, holy.” Isaiah says plainly he saw the LORD. Now watch what the apostles do with that vision:

WriterWhat he says about Isaiah 6Whom he identifies
Isaiah“I saw the Lord sitting upon a throne” (Isaiah 6:1)The LORD
John“Isaiah… saw His glory and spoke of Him” (John 12:41)Christ
Paul“The Holy Spirit was right in saying to your fathers through Isaiah” (Acts 28:25)The Holy Spirit

One throne-room vision, three inspired witnessesand they attribute it, without hesitation or argument, to the LORD, to the Son and to the Spirit. None of them pauses to defend the move, which tells us it wasn’t felt to be novel. Isaiah 48:16 is therefore not an odd stone dragged in to prop up a doctrine. It belongs to a book the apostles read as speaking of Father, Son and Spirit throughout.

Answering the objections honestly

  • “The last line is a later Christian addition.” There’s no textual evidence for it. The Great Isaiah Scroll from Qumran, copied around 125 BC, contains the clause, and the Masoretic Text and Greek Septuagint agree. The theory exists only because the verse is difficultwhich means it assumes what it is trying to prove.
  • “This is just one God appearing in different modes.” The distinction between sender and sent cannot be dissolved. No person sends himself in the same respect at the same moment. The verse holds sender and sent apart while keeping both within the being of God.
  • “The sent one must be a lesser, created being.” This runs straight into the argument of the surrounding chapters, which exist precisely to separate Creator from creature. The one who says “from the time it came to be I have been there” stands outside the category of things that came to be. Being sent describes a mission, not a lower naturean ambassador isn’t any less human than the king.
  • “It could still simply be Isaiah speaking.” This is a serious objection. Yes, it’s possible, and Calvin thought so. But possible isn’t the same as best. It requires a silent change of speaker and a prophet claiming presence at creation, while the Servant reading requires neither and explains the links to 49:1 and 61:1 that the other view leaves hanging.

How much weight should one verse carry?

Here’s where care matters. The Old Testament doesn’t give us the doctrine of the Trinity in finished, creedal form. It contains the raw materialsthe Word of God, the Spirit of God, the Angel of the LORD, the Servantlaid down over centuries, waiting for the light that would show what they were. Herman Bavinck put it simply: the Old Testament doesn’t yet give us the doctrine, but it prepares for it at every turn.

BB Warfield gave us the image that has never been bettered:

“The Old Testament may be likened to a chamber richly furnished but dimly lighted; the introduction of light brings into it nothing which was not in it before; but it brings out into clearer view much of what is in it but was only dimly or even not at all perceived before.”

That settles how we should use Isaiah 48:16. The New Testament didn’t carry new furniture into Isaiah’s room; it opened the shutters. The three parties were always standing there. Now we can see their faces.

However, it pays to be mindful of the following two safeguards:

  • Obscure passages are read in light of clearer onesso Isaiah 48:16 is interpreted by Matthew 28:19 and 2 Corinthians 13:14, not the other way round.
  • And doctrine is drawn from the whole of Scripture, never from one isolated line.

Geerhardus Vos taught a generation to read the Bible as a story that unfolds. The earlier chapters are true but partial, and later ones illumine rather than overturn them.

So can we be sure?

  • Yes, it’s a genuine hint, probably the clearest in the Old Testament. Three parties named together in one divine utterance about salvation, in a book whose three-part pattern the apostles took for granted.
  • No, it’s not a standalone proof. Anyone who quotes it in isolation as a knock-down argument will be met with the reply that the speaker is simply Isaiah, in which case you have God and his Spirit commissioning a prophet. Answering that requires the whole context of chapters 40—49, and that’s exactly why one verse cannot carry the doctrine by itself.
  • It is a corroborating witness, and a very good one. It confirms what the whole of Scripture teaches; But it was never meant to establish it alone.

A reader before Christ would have found this verse a real puzzlea divine voice speaking of being sent, with the Spirit named alongsideand no framework to resolve it. He would have had to wait.

We aren’t waiting. We’ve read to the end of the story. Turning back to this verse with the light on, we find the puzzle was never a flaw in the text. It was a promise, quietly kept for seven centuries. The promise was that God would send One who was Himself God, and send His Spirit with Him, to save a people who could not save themselves. And that’s precisely what happened.

Tough Questions, Honest Answers

How do Jewish commentators explain Isaiah 48:16?

Traditional Jewish interpreters take the speaker in the final clause to be Isaiah himself. Rashi, the 11th-century French commentator, reads the prophet as saying God has now sent him along with his prophetic spirit. And Abraham ibn Ezra follows broadly similar lines. It’s worth noting this is essentially the same reading John Calvin took, so it isn’t a case of Jewish and Christian scholarship simply lining up against one another. What the Jewish reading cannot easily explain is the divine self-description in the first half of the verse, which is why we prefer the Servant reading.

Is the NIV’s rendering evidence of translation bias?

Almost certainly not. There’s no reason to think the translators were hiding anything. The NIV aims to give the meaning of a sentence in natural English rather than follow the Hebrew word by word. That works well most of the time. But when the Hebrew itself is unclear, this method forces the translators to pick one meaning and print it, and the reader never learns that another meaning was possible. Here they chose “endowed with his Spirit”, which turns the Spirit into a gift given to the sent one rather than a party named in his own right. That’s a loss, but it’s a loss caused by translation method, not by theology. It’s also a good reason to keep a more literal version—the ESV, NASB or NKJV—open beside your everyday Bible whenever you study a hard passage.

Does the Dead Sea Scrolls evidence really settle the “later addition” claim?

It settles it as far as any manuscript evidence can. The Great Isaiah Scroll from Cave 1 at Qumran is a complete copy of Isaiah dated to roughly 125 BC, and it contains the final clause of 48:16 with no sign of insertion or marginal addition. That places the reading more than a century before Christ and around eight centuries before the oldest complete Masoretic manuscripts, and the three witnesses agree. Anyone claiming the line is a Christian interpolation must therefore argue against the physical evidence rather than from it. In practice the claim is made because the verse is theologically inconvenient, not because there’s any textual reason to doubt it.

Did the early church fathers use Isaiah 48:16 in the Trinitarian controversies?

They did, though it was never their leading argument. Writers in the 2nd to 4th centuries drew on it when demonstrating the Old Testament already distinguished persons within the one God, generally alongside Genesis 1:26, Psalm 110:1 and Isaiah 63. It functioned as supporting evidence within a larger cumulative case rather than as a decisive proof text. That’s instructive for us: the fathers who fought hardest for the doctrine didn’t rest it on single verses, because they knew the doctrine arises from the shape of the whole of Scripture. Their restraint here is a model worth copying.

Which other Old Testament passages name three divine parties together?

Several, though none quite as compactly as Isaiah 48:16. Genesis 1:13 gives us God, the Spirit of God hovering over the waters, and the creating Word. Psalm 110:1 has the LORD speaking to David’s Lord, and Psalm 45:67 addresses a king as God who is anointed by His God. The Aaronic blessing of Numbers 6:2426 invokes the divine name three times in three lines. Isaiah 63:714 names the LORD, the angel of His presence and His Holy Spirit within a few verses, and Haggai 2:45 places God’s covenant word and His abiding Spirit side by side. Taken together these form a pattern that no single-person view of God accounts for naturally.

Is it circular to find the Trinity in Isaiah after already believing it?

It would be circular if we were inserting something the text cannot bear. It’s not circular to read an earlier chapter of a book in light of its ending, because that’s how every book is understood. When we reread a novel knowing the final twist, the earlier hints become visible; we’re not adding them, we’re simply noticing them. Christians read the Old Testament this way because Jesus Himself taught His disciples to, opening the Scriptures to show they spoke of Him (Luke 24:27). The honest test is whether the earlier text actually contains what we claim to find, and Isaiah 48:16 plainly contains a sender, a sent one who speaks as God, and the Spirit.

Should I use Isaiah 48:16 when talking with Jehovah’s Witnesses or Oneness believers?

Use it, but not first and not alone. Lead with the clear New Testament passagesMatthew 28:19, John 1:1, John 8:58, 2 Corinthians 13:14and establish the pattern there, where the evidence is strongest and the language least disputed. Isaiah 48:16 then becomes a valuable confirmation, showing this is no late invention but was already present in the prophets. Be ready for the grammar objection and answer it calmly by pointing out both main readings yield three parties. Above all, remember these conversations are rarely won by a single verse; they’re won by patient reading of whole passages, and by love that outlasts the argument.

Related Reads

Truths To Die For

Reformed answers to life’s hardest questions, delivered fortnightly.

No spam. Unsubscribe anytime.

These articles are free because of the generous support of our readers.

Support Us →