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Study this verse
Public-domain commentary
Matthew Henry
From his Commentary on the Whole Bible. Henry comments on passages, not single verses — this entry covers 1 John 1:8–10. His two-level outline is real structure in the source text, so it is rendered as structure.
Here, I. The apostle, having supposed that even those of this heavenly communion have yet their sin, proceeds here to justify that supposition, and this he does by showing the dreadful consequences of denying it, and that in two particulars: - 1. If we say, We have no sin, we deceive ourselves, and the truth is not in us, Jo1 1:8. We must beware of deceiving ourselves in denying or excusing our sins. The more we see them the more we shall esteem and value the remedy. If we deny them, the truth is not in us, either the truth that is contrary to such denial (we lie in denying our sin), or the truth of religion, is not in us. The Christian religion is the religion of sinners, of such as have sinned, and in whom sin in some measure still dwells. The Christian life is a life of continued repentance, humiliation for and mortification of sin, of continual faith in, thankfulness for, and love to the Redeemer, and hopeful joyful expectation of a day of glorious redemption, in which the believer shall be fully and finally acquitted, and sin abolished for ever. 2. If we say, We have not sinned, we make him a liar, and his word is not in us, Jo1 1:10. The denial of our sin not only deceives ourselves, but reflects dishonour upon God. It challenges his veracity. He has abundantly testified of, and testified against, the sin of the world. And the Lord said in his heart (determined thus with himself), I will not again curse the ground (as he had then lately done) for man's sake; for (or, with the learned bishop Patrick, though) the imagination of man's heart is evil from his youth, Gen 8:21. But God has given his testimony to the continued sin and sinfulness of the world, by providing a sufficient effectual sacrifice for sin, that will be needed in all ages, and to the continued sinfulness of believers themselves by requiring them continually to confess their sins, and apply themselves by faith to the blood of that sacrifice. And therefore, if we say either that we have not sinned or do not yet sin, the word of God is not in us, neither in our minds, as to the acquaintance we should have with it, nor in our hearts, as to the practical influence it should have upon us.
II.The apostle then instructs the believer in the way to the continued pardon of his sin. Here we have,
1.His duty in order thereto: If we confess our sins, Jo1 1:9. Penitent confession and acknowledgment of sin are the believer's business, and the means of his deliverance from his guilt. And,
2.His encouragement thereto, and assurance of the happy issue. This is the veracity, righteousness, and clemency of God, to whom he makes such confession: He is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness, Jo1 1:9. God is faithful to his covenant and word, wherein he has promised forgiveness to penitent believing confessors. He is just to himself and his glory who has provided such a sacrifice, by which his righteousness is declared in the justification of sinners. He is just to his Son who has not only sent him for such service, but promised to him that those who come through him shall be forgiven on his account. By his knowledge (by the believing apprehension of him) shall my righteous servant justify many, Isa 53:11. He is clement and gracious also, and so will forgive, to the contrite confessor, all his sins, cleanse him from the guilt of all unrighteousness, and in due time deliver him from the power and practice of it.
Historical interpretation
Five Centuries of Reception
6 surviving comments on this verse. Each one is dated, so this reads as a timeline rather than a list.
Select a marker to jump to its quote. Markers stagger vertically where authors wrote within a few decades of each other.
"If we say that we have not sinned, we make Him a liar, and His word is not in us." His doctrine, that is, or word is truth.
Who is there on earth without sin? Even a baby has contracted it from its parents.
"If we say that we have not sinned, we make Him a liar, and His word is not in us." If thou shalt say, I have not sinned, thou makest Him a liar, while thou wishest to make thyself true. How is it possible that God should be a liar, and man true, when the Scripture saith the contrary, "Every man a liar, God alone true"? Consequently, God true through Himself, thou true through God; because through thyself, a liar.
Among holy men it is impossible not to fall into those small lapses which occur because of something said, some thought, some surreptitious act. These sins are quite different from those which are called mortal, but they are not without blame or reproach.
If we say that we have not sinned, we reject his word, which is spirit and life.
If we say that we have not sinned, etc. For he himself said through a man filled with his Spirit: There is no just man on earth who does good and does not sin (Ecclesiastes 7). But even through himself, he taught us that we cannot be free from sins, as he commanded us to pray thus: Forgive us our debts as we forgive our debtors (Matthew 6). Therefore, no one, being taught by Pelagius, should believe that he can live free from sins and debts, when he sees the apostles, being taught by the Lord, praying for their own sins. And elsewhere it is written: The just man falls seven times a day and rises again (Proverbs 24). For it is impossible for any of the saints not to sometimes fall into slight sins, which are committed through speech, thought, ignorance, forgetfulness, necessity, will, or surprise, and yet they do not cease to be just, because with the Lord's help, they quickly rise from guilt.
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Summary
First John 1:10 serves as a stark warning against denying the reality of personal sin, asserting that such a claim directly contradicts God's revealed truth and character. It underscores that to assert a sinless state is to accuse God of falsehood, effectively demonstrating that His divine Word, which consistently declares humanity's fallen condition and need for redemption, has not genuinely taken root or been embraced within the individual. This verse, therefore, calls believers to humble honesty regarding their ongoing struggle with sin, emphasizing the crucial prerequisite of acknowledging sin for true fellowship with God and reception of His cleansing grace.
Context
Literary Context
This verse concludes the opening theological argument of 1 John, which establishes the basis for Christian fellowship with God and with one another. John begins by affirming the tangible reality of Christ's incarnation (1 John 1:1-4). He then declares God's nature as light, in whom there is no darkness at all (1 John 1:5). This foundational truth then sets up the crucial implications regarding sin. First, John states that claiming fellowship with God while walking in darkness is a lie (1 John 1:6). He then presents the solution: walking in the light leads to fellowship and cleansing by Christ's blood (1 John 1:7). Directly preceding our verse, 1 John 1:8 warns that "If we say that we have no sin, we deceive ourselves, and the truth is not in us." This sets the stage for the even stronger declaration in 1 John 1:9, which promises forgiveness and cleansing for those who confess their sins. 1 John 1:10 intensifies the warning of 1 John 1:8, moving from self-deception to explicitly making God a liar, thereby emphasizing the grave theological implications of denying sin.
Historical & Cultural Context
John's epistle was likely written towards the end of the first century, addressing a community facing internal doctrinal challenges, particularly from nascent forms of Gnosticism or proto-Gnosticism. These emerging heresies often promoted a dualistic worldview, separating the spiritual from the material and sometimes leading to the belief that actions of the physical body were irrelevant to one's spiritual state. Some Gnostic teachers might have claimed a special "knowledge" (gnosis) that elevated them above the need for repentance or confession of sin, asserting a state of sinless perfection or that sin was merely an illusion for the enlightened. John directly counters this dangerous teaching, which undermined the necessity of Christ's atoning work and the ongoing need for confession. His audience, composed of believers, needed a clear and firm reminder of the universal reality of sin and God's unchanging truth regarding it.
Key Themes
This verse powerfully contributes to several key themes within 1 John and broader biblical theology. It reinforces the Universal Sinfulness of Humanity, asserting that sin is an inescapable reality for all people, including believers, a truth consistently affirmed throughout Scripture (e.g., Romans 3:23). It also underscores God's Absolute Truthfulness and Integrity, presenting the denial of sin as a direct assault on God's character, as He is the God who cannot lie. Furthermore, the phrase "his word is not in us" highlights the theme of The Indwelling of God's Word, emphasizing that genuine spiritual life and fellowship are contingent upon the acceptance and internalization of God's revealed truth, particularly concerning sin and salvation. This theme is foundational to the entire epistle, which seeks to clarify the marks of true Christian fellowship and the nature of God.
Exposition and Analysis
Key Word Analysis
Meaning "to miss the mark," "to err," or "to sin." In this context, it refers to the act of committing sin, implying a failure to conform to God's righteous standard. The perfect tense (hēmartēkamen) in the original Greek suggests a completed action with ongoing results, or a settled state, implying the claim is that one has never sinned, or that sin is no longer a present reality in one's life.
Meaning "a falsifier." This term is used here to describe someone who makes a false statement. When applied to God, it means to accuse Him of being untruthful or deceptive, a profound theological offense given God's inherent nature as truth.
Referring to "something said," "a message," or "a divine expression." In this context, "his word" refers to God's revealed truth, encompassing His character, His commandments, and His declarations regarding humanity's sinfulness and need for salvation. The absence of this "word" signifies a rejection or lack of reception of God's truth.
Verse Breakdown
"If we say that we have not sinned"
This clause presents a hypothetical but dangerous assertion. It refers to a claim made by individuals, likely within the Christian community, who deny their personal experience of sin, either by claiming a state of absolute sinlessness or by minimizing the gravity and reality of their moral failures. This denial can stem from pride, self-deception, or a false theological understanding.
"we make him a liar"
This is the severe consequence of the previous assertion. To deny one's sin is not merely self-deception (as in 1 John 1:8); it is to directly contradict God's consistent testimony in Scripture regarding humanity's fallen nature and universal sinfulness. Since God is inherently truthful and His Word is infallible, claiming sinlessness effectively accuses God of being false in His pronouncements about sin.
"and his word is not in us"
This final clause explains the spiritual state of those who deny their sin. It signifies a profound spiritual disconnect. "His word" refers to God's truth, His revelation concerning sin, redemption, and human nature. If this word is "not in us," it means that God's truth has not been genuinely received, internalized, or allowed to shape one's understanding and life. This absence indicates a lack of spiritual alignment and a rejection of the very foundation upon which true fellowship with God is built.
Literary Devices
The verse employs several powerful literary devices to convey its urgent message. Antithesis is central, contrasting the false claim of sinlessness with the profound truth of God's character. The phrase "we make him a liar" is a striking example of Personification, attributing the act of lying to God Himself, which is a rhetorical strategy to highlight the extreme gravity of denying sin. This is not to say God literally lies, but that the human assertion of sinlessness implies God's statements about sin are false. Furthermore, "his word is not in us" functions as a Metaphor for spiritual emptiness or a lack of genuine understanding and reception of divine truth. The "word" is not a physical object, but a spiritual reality that should indwell and transform believers. The stark, declarative tone throughout the verse also contributes to its Didactic purpose, serving as a direct instruction and warning to the readers.
Theological and Thematic Connections
First John 1:10 stands as a crucial theological anchor, reinforcing the biblical doctrine of universal sinfulness and the absolute veracity of God. It directly challenges any notion of human perfection in this life, asserting that such a claim not only stems from self-deception but also directly impugns the character of God, who, as the source of all truth, cannot contradict Himself. This verse compels believers to embrace a posture of humility and honesty before God, recognizing that genuine spiritual health and fellowship are predicated on acknowledging our ongoing need for His grace and forgiveness, rather than pretending to be beyond the reach of sin's influence. It highlights that God's Word is the ultimate standard for truth, and its rejection concerning the reality of sin indicates a profound spiritual misalignment.
Reflection and Application
This powerful verse serves as a vital safeguard against spiritual pride and self-deception, calling every believer to a profound honesty before God. In a world that often encourages self-justification or the minimization of moral failings, 1 John 1:10 reminds us that true spiritual maturity begins with humbly acknowledging our imperfections and ongoing struggle with sin. To genuinely allow God's word to be "in us" means to accept His divine assessment of our human condition, which includes our fallenness and our continual need for His grace. This acceptance cultivates a spirit of humility, prompts ongoing confession, and deepens our reliance on Christ's atoning work. It frees us from the exhausting burden of pretending to be perfect and opens the door to authentic fellowship with God and with others, built on the foundation of shared brokenness and shared grace.
Questions for Reflection
FAQ
What does it mean to "make God a liar"?
To "make God a liar" means to effectively accuse God of being untruthful or deceptive. God's Word consistently declares the reality of human sinfulness (e.g., Romans 3:10-12), and His very nature is truth (John 14:6). Therefore, when we claim to have no sin, we are directly contradicting God's own testimony about humanity's condition and His character. It's not that God literally becomes a liar, but that our assertion implies He is, thereby undermining His integrity and the reliability of His revelation. It's a grave theological offense that denies a core biblical truth about both God and humanity.
Does 1 John 1:10 imply that believers can never achieve "sinless perfection" in this life?
Yes, this verse strongly implies that absolute "sinless perfection" is not attainable in this earthly life. John's epistle is written to believers, and his repeated emphasis on the reality of sin (e.g., 1 John 1:8, 1 John 2:1) indicates that even those who are in Christ continue to struggle with sin. While believers are declared righteous in Christ and are being progressively sanctified by the Holy Spirit, the presence of the sinful nature (the flesh) remains until glorification. To claim complete freedom from sin is to reject God's word and His assessment of our ongoing human condition, which is a dangerous form of self-deception that hinders true spiritual growth and reliance on Christ's cleansing blood (1 John 1:7).
Christ-Centered Fulfillment
The stark warning of 1 John 1:10 finds its profound Christ-centered fulfillment in the person and work of Jesus. If denying sin makes God a liar, then Christ, as the embodiment of God's truth, stands as the ultimate refutation of such a claim. Jesus himself declared, "I am the way, the truth, and the life" (John 14:6), and He came to bear witness to the truth (John 18:37). His perfect life, sacrificial death, and resurrection are God's definitive statements on the reality and gravity of human sin, demonstrating that only through His atoning work could humanity's sin problem be addressed. Christ did not come for those who claimed to be righteous, but for sinners (Mark 2:17). Furthermore, the "word" that is "not in us" when we deny sin is ultimately fulfilled in Christ, who is the living Word of God (John 1:1). When we embrace Christ, His truth, which includes the reality of our sin and His provision for it, truly indwells us through the Holy Spirit (John 16:13). Thus, acknowledging our sin, far from being a defeat, becomes the very path to embracing the fullness of Christ's redemptive work and allowing His transforming truth to dwell richly within us.