What Does John 17:19 Mean?

And for their sake I set myself apart, that they also might be set apart through the truth.
John 17:19 · 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 for their sakes I sanctify myself, that they also might be sanctified through the truth.

Jesus’ setting himself apart is for others’ sake, and their setting apart comes through truth.

Jesus sets himself apart for the sake of others, and your setting-apart reaches you through truth. Consecration here is relational: his self-giving opens the way, and truth carries that work into you.

WHAT THIS UNDOES

It undoes the idea that being set apart means withdrawing from people: Jesus’ consecration is explicitly for their sake.

ἁγιάζω

hagiazō

GROWS FROM

ἁγι-

hagi-

set apart; dedicate to God

“set myself apart” in this verse is hagiazō. The Greek word family carries the sense of setting something apart for God. Jesus’ setting apart is explicitly “for their sakes,” and the same verb describes what truth does in them: consecration moves outward in service.

ALSO GROWS

hagios: set apart

ἅγιος

This adjective shows the shared root’s core idea: what is set apart belongs to God.

hagiasmos: setting apart; consecration

ἁγιασμός

This noun names the same movement that Jesus undergoes and that his followers receive through truth.

Setting apart is God’s work, received through truth and expressed in a life dedicated for others.

Set them apart through your truth; your word is truth.
John 17:17 · SDVThe same verb connects setting apart directly with truth.
Speak also to the children of Israel, saying, "Surely my sabbaths you shall guard, for it is a sign between me and you through your generations, that you may perceive that I am the LORD who sets you apart."
Exodus 31:13 · SDVGod is named as the one who sets the people apart.
By this will we have been set apart through the offering of the body of Jesus, the Anointed One, once for all.
Hebrews 10:10 · SDVSetting apart comes through Jesus’ self-offering, echoing his words that he sets himself apart for others.
Set them apart through your truth; your word is truth.
John 17:17 · SDV

The same Greek verb for “sanctify” appears here and in the verse before it, where truth is named as the means of their setting apart. Verse 19 then shows Jesus’ own consecration for them as part of that movement.

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John 17:19 Meaning