King James Version

What Does 1 John 4:15 Mean?

1 John 4:15 in the King James Version says “Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God.” — study this verse from 1 John chapter 4 with commentary, cross-references, and original Greek word analysis.

“Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God.”

1 John 4:15 · KJV

Context

13

Hereby know we that we dwell in him, and he in us, because he hath given us of his Spirit.

14

And we have seen and do testify that the Father sent the Son to be the Saviour of the world.

15

Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God.

16

And we have known and believed the love that God hath to us. God is love; and he that dwelleth in love dwelleth in God, and God in him.

17

Herein is our love made perfect, that we may have boldness in the day of judgment: because as he is, so are we in this world. our love: Gr. love with us

Read 1 John 4 full chapter

Commentary

KJV Study Commentary
Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God. John provides another test for assurance—confession of Christ. "Whosoever shall confess" (hos ean homologēsē)—homologeō means to confess, acknowledge, declare openly. This is public profession, not private belief only. True faith confesses Christ openly (Romans 10:9-10). The aorist tense suggests definite confession, though the context implies ongoing confession throughout life.

"That Jesus is the Son of God" (hoti Iēsous estin ho huios tou theou)—this confession affirms Jesus's divine nature. "Son of God" indicates unique relationship to the Father, sharing divine nature and equality with God (John 5:18). This confession distinguishes Christianity from all other religions—Jesus is not merely a prophet, teacher, or good man but God's Son, second person of the Trinity, incarnate deity. Confessing this truth requires more than intellectual assent; it involves trust in Christ for salvation and submission to His lordship.

"God dwelleth in him, and he in God" (ho theos en autō menei kai autos en tō theō)—the mutual indwelling again. Those who genuinely confess Christ's deity demonstrate God's indwelling and their abiding in God. This confession is both evidence of salvation and result of salvation. The Spirit enables confession (1 Corinthians 12:3); confession evidences the Spirit's presence. False professors may mouth words, but genuine confession from the heart proves regeneration.

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Historical & Cultural Context

Confessing Jesus as God's Son was costly in the Roman Empire. Emperor worship demanded acknowledgment of Caesar as lord and god. Christians who confessed "Jesus is Lord" and "Son of God" faced persecution, even death. Pliny's letter to Trajan described testing Christians by forcing them to curse Christ and worship Caesar's image—genuine Christians refused, demonstrating their confession's reality.

The confession's content—"Jesus is the Son of God"—directly challenged Jewish monotheistic assumptions without abandoning monotheism. Jesus's claims to be God's Son led to crucifixion charges of blasphemy (John 19:7). The early church's confession that Jesus shares divine nature while maintaining one God developed into Trinitarian doctrine formalized at Nicaea. John's simple confession contains profound theological truth central to Christian orthodoxy.

Reflection Questions

  1. What does genuinely confessing 'Jesus is the Son of God' require beyond merely speaking the words?
  2. How does your public confession of Christ's deity demonstrate (or fail to demonstrate) that God dwells in you?
  3. In what contemporary contexts does confessing Jesus as God's Son require courage and risk, and are you willing to confess Him there?

Original Language Analysis

Greek · 20 words
ὃς1 of 20

“Whosoever”

G3739

the relatively (sometimes demonstrative) pronoun, who, which, what, that

ἂν2 of 20
G302

whatsoever

ὁμολογήσῃ3 of 20

“shall confess”

G3670

to assent, i.e., covenant, acknowledge

ὅτι4 of 20

“that”

G3754

demonstrative, that (sometimes redundant); causative, because

Ἰησοῦς5 of 20

“Jesus”

G2424

jesus (i.e., jehoshua), the name of our lord and two (three) other israelites

ἐστιν6 of 20

“is”

G2076

he (she or it) is; also (with neuter plural) they are

ὁ7 of 20
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

υἱὸς8 of 20

“the Son”

G5207

a "son" (sometimes of animals), used very widely of immediate, remote or figuratively, kinship

τοῦ9 of 20
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

Θεῷ10 of 20

“God”

G2316

a deity, especially (with g3588) the supreme divinity; figuratively, a magistrate; exceedingly (by hebraism)

ὁ11 of 20
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

Θεῷ12 of 20

“God”

G2316

a deity, especially (with g3588) the supreme divinity; figuratively, a magistrate; exceedingly (by hebraism)

ἐν13 of 20

“in”

G1722

"in," at, (up-)on, by, etc

αὐτὸς14 of 20

“he”

G846

the reflexive pronoun self, used (alone or in the comparative g1438) of the third person, and (with the proper personal pronoun) of the other persons

μένει15 of 20

“dwelleth”

G3306

to stay (in a given place, state, relation or expectancy)

καὶ16 of 20

“and”

G2532

and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words

αὐτὸς17 of 20

“he”

G846

the reflexive pronoun self, used (alone or in the comparative g1438) of the third person, and (with the proper personal pronoun) of the other persons

ἐν18 of 20

“in”

G1722

"in," at, (up-)on, by, etc

τῷ19 of 20
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

Θεῷ20 of 20

“God”

G2316

a deity, especially (with g3588) the supreme divinity; figuratively, a magistrate; exceedingly (by hebraism)

Study Guide

Historical Context

This verse is found in the book of 1 John. Understanding the historical and cultural background helps illuminate its meaning for the original audience and for us today.

Theological Significance

1 John 4:15 contributes to our understanding of God's character and His relationship with humanity. Consider how this verse connects to the broader themes of Scripture.

Cross-References

Verses related to 1 John 4:15 from Treasury of Scripture Knowledge

Romans 10:9Matthew 10:321 John 5:51 John 3:241 John 4:2Philippians 2:11

Test Your Knowledge

1 John 4 QuizTest your knowledge of this chapter1 John Book QuizComprehensive quiz for the entire book

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