1 John 5:18 and sinless perfection?
How does 1 John 5:18 relate to the concept of sinless perfection?

1 John 5:18 and the Question of Sinless Perfection


Canonical Text

“We know that anyone born of God does not keep on sinning; the One who was born of God protects him, and the evil one cannot touch him.” — 1 John 5:18

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Immediate Literary Context

1. The Epistle’s stated aim: assurance of eternal life (5:13).

2. Verses 16–17: prayer for a brother “sinning a sin not leading to death,” proving John recognizes post-conversion lapses.

3. Verse 21: a final exhortation against idolatry, showing vigilance against future sin.

The flow argues for practical victory over sin rather than absolute moral impeccability.

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Broader Johannine Theology of Sin

1 John 1:8–10 : “If we say we have no sin, we deceive ourselves … If we confess our sins, He is faithful …”

• The Fourth Gospel: believers are “clean” (John 15:3) yet still need foot-washing (John 13:10).

John therefore juxtaposes positional purity in Christ with the necessity of ongoing confession and cleansing.

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Positional Versus Experiential Sinlessness

Positionally, the believer is “born of God” (perfect tense, gegennēmenos) and thus counted righteous in Christ (cf. 2 Corinthians 5:21). Experientially, sanctification is progressive (2 Corinthians 3:18). 1 John 5:18 pertains to the positional reality that decisively breaks sin’s dominion, not to flawless moral performance.

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The Protective Work of “the One Who Was Born of God”

Most commentators identify “the One who was born of God” as Jesus in His incarnation. He “guards” (tērei, present active indicative) the believer. The same Jesus who rose bodily (Matthew 28:9–10; 1 Corinthians 15:3–8) continues to shield His people, rendering Satan incapable of laying permanent claim (cf. John 10:28–29). The text anchors victory over habitual sin in Christ’s ongoing intercession (Hebrews 7:25).

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Historical Interpretations

• Early Fathers: Augustine rejected perfectionism, teaching that “in this life we are all petitioners for pardon.”

• Mediaeval Voices: Aquinas distinguished mortal from venial sin yet denied total impeccability.

• Reformation: Calvin spoke of “a continual warfare” while affirming that the regenerate “do not live in sin.”

• Wesleyan Revival: John Wesley taught the possibility of entire sanctification; yet even he conceded “unavoidable defects” remain. 1 John 5:18 served both as impetus for holiness and caution against presumption.

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Theological Synthesis

1. Regeneration implants a new principle (“God’s seed,” 3:9) incompatible with continuous sin.

2. Indwelling sin remains (Romans 7:17–23); hence believers require daily cleansing (1 John 1:9).

3. Final perfection awaits glorification (1 John 3:2).

Thus, 1 John 5:18 cannot be marshaled to prove sinless perfectionism in this life. Instead, it proclaims that persistent, unrepentant sin is incompatible with the new birth, while episodic failures are met with Christ’s advocacy (2:1).

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Pastoral Implications

• Assurance: Persistent guilt is answered by the objective reality of new birth and Christ’s protective care.

• Holiness: The verse motivates believers to abandon patterns of sin, confident of divine empowerment.

• Humility: Confession remains mandatory; boasting of perfection contradicts 1 John 1:8.

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Conclusion

1 John 5:18 affirms the regenerate’s decisive break with sin’s reign and Satan’s grasp, but it does not teach absolute moral perfection prior to glorification. Instead, it calls believers to continuous reliance on the risen Christ, who both guards their standing and cleanses their stumblings, until He presents them blameless at His coming.

What does 1 John 5:18 mean by 'everyone born of God does not keep on sinning'?
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