What Does Acts 19:15 Mean?

And the evil breath answered and said, Jesus I know, and Paul I know; but who are you?
Acts 19:15 · SDV
Key words are shown with the Hebrew or Greek and what each word meant.

Selah Decoded Version The Selah Decoded Version renders what the Hebrew and Greek words meant to the people who first heard them.

This verse in the King James

King James wording
And the evil spirit answered and said, Jesus I know, and Paul I know; but who are ye?

A name can be spoken as a formula, but its authority is recognized in the nature behind it.

Where authority is claimed through borrowed words, the identity being invoked and the identity of the speaker are not interchangeable. The spirit recognizes Jesus and Paul, then turns the question back on the exorcists: who are you? Recognition is clear; their standing is not.

WHAT THIS UNDOES

The lie this undoes is that saying the right sacred name automatically gives the speaker the nature or authority that name carries.

γινώσκω

ginōskō

GROWS FROM

γινωσκ-

ginōsk- stem

To come to know, recognize, or perceive.

“know” in this verse is ginōskō. This is knowing by recognition or encounter, not merely repeating a name or collecting information about it. The spirit’s recognition of Jesus stands beside the question of who the exorcists themselves are.

ALSO GROWS

gnōsis: Knowledge or knowing.

γνῶσις

It shares the same Greek word family and keeps recognition linked to knowing.

gnōstos: Known, familiar, or recognized.

γνωστός

This branch shows the root’s movement from knowing to being known.

ἐπίσταμαι

epistamai

GROWS FROM

ἐπιστα-

epista- word-family stem

To know, understand, or be acquainted with.

English repeats “know,” but the Greek shifts from ⁨γινώσκω⁩ to ⁨ἐπίσταμαι⁩. Both can mean know, so the difference is not a rigid code; still, the shift makes the question that follows, “who are ye?”, land on the speakers’ identity, not just their words.

ALSO GROWS

epistēmē: Knowledge or understanding.

ἐπιστήμη

This related noun makes explicit the knowing or understanding carried by the verb.

epistēmōn: Knowledgeable or understanding.

ἐπιστήμων

This related form describes someone marked by the kind of knowledge the verb can express.

Recognizing or invoking a name does not by itself establish shared authority or relationship.

Saying, Leave us be. What is between us and you, Jesus of Nazareth? Have you come to make us perish? I know who you are, the Set-Apart One of God.
Luke 4:34 · SDVThe unclean spirit recognizes Jesus by name and nature, showing that recognition alone does not mean shared purpose.
You trust that there is one God; you do well. The demons also trust, and shudder.
James 2:19 · SDVEven belief and recognition of God can exist without becoming a shared way of being.
And then I will declare to them, I never knew you; withdraw from me, you who live without boundary.
Matthew 7:23 · SDVAppealing to a name does not itself establish the relationship that the name implies.
And then I will declare to them, I never knew you; withdraw from me, you who live without boundary.
Matthew 7:23 · SDV

The Greek verb translated “knew” here is ⁨γινώσκω⁩, the same verb used for “Jesus I know” in Acts. The direction reverses: Acts exposes people invoking authority they do not bear; here the speaker rejects the claim of those who appeal to his name.

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Acts 19:15 Meaning: A name can be spoken as a formula