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 1:5–7.
The apostle, having declared the truth and dignity of the author of the gospel, brings a message or report from him, from which a just conclusion is to be drawn for the consideration and conviction of the professors of religion, or professed entertainers of this glorious gospel.
I.Here is the message or report that the apostle avers to come from the Lord Jesus:
This then is the message which we have heard of him (Jo1 1:5), of his Son Jesus Christ. As he was the immediate sender of the apostles, so he is the principal person spoken of in the preceding context, and the next antecedent also to whom the pronoun him can relate. The apostles and apostolical ministers are the messengers of the Lord Jesus; it is their honour, the chief they pretend to, to bring his mind and messages to the world and to the churches. This is the wisdom and present dispensation of the Lord Jesus, to send his messages to us by persons like ourselves. He that put on human nature will honour earthen vessels. It was the ambition of the apostles to be found faithful, and faithfully to deliver the errands and messages they had received. What was communicated to them they were solicitous to impart: This then is the message which we have heard of him, and declare unto you. A message from the Word of life, from the eternal Word, we should gladly receive: and the present one is this (relating to the nature of God whom we are to serve, and with whom we should covet all indulged communion) - That God is light, and in him is no darkness at all, Jo1 1:5. This report asserts the excellency of the divine nature. He is all that beauty and perfection that can be represented to us by light. He is a self-active uncompounded spirituality, purity, wisdom, holiness, and glory. And then the absoluteness and fulness of that excellency and perfection. There is no defect or imperfection, no mixture of any thing alien or contrary to absolute excellency, no mutability nor capacity of any decay in him: In him is no darkness at all, Jo1 1:5. Or this report may more immediately relate to what is usually called the moral perfection of the divine nature, what we are to imitate, or what is more directly to influence us in our gospel work. And so it will comprehend the holiness of God, the absolute purity of his nature and will, his penetrative knowledge (particularly of hearts), his jealousy and injustice, which burn a a most bright and vehement flame. It is meet that to this dark world the great God should be represented as pure and perfect light. It is the Lord Jesus that best of all opens to us the name and nature of the unsearchable God: The only-begotten, who is in the bosom of the Father, the same hath declared him. It is the prerogative of the Christian revelation to bring us the most noble, the most august and agreeable account of the blessed God, such as is most suitable to the light of reason and what is demonstrable thereby, most suitable to the magnificence of his works round about us, and to the nature and office of him that is the supreme administrator, governor, and judge of the world. What more (relating to and comprehensive of all such perfection) could be included in one word than in this, God is light, and in him is no darkness at all? Then,
II.There is a just conclusion to be drawn from this message and report, and that for the consideration and conviction of professors of religion, or professed entertainers of this gospel. This conclusion issues into two branches: - 1. For the conviction of such professors as have no true fellowship with God: If we say we have fellowship with him, and walk in darkness, we lie, and do not the truth. It is known that to walk, in scripture account, is to order and frame the course and actions of the moral life, that is, of the life so far as it is capable of subjection to the divine law. To walk in darkness is to live and act according to such ignorance, error, and erroneous practice, as are contrary to the fundamental dictates of our holy religion. Now there may be those who may pretend to great attainments and enjoyments in religion; they may profess to have communion with God; and yet their lives may be irreligious, immoral, and impure. To such the apostle would not fear to give the lie: They lie, and do not the truth. They belie God; for he holds no heavenly fellowship or intercourse with unholy souls. What communion hath light with darkness? They belie themselves, or lie concerning themselves; for they have no such communications from God nor accesses to him. There is no truth in their profession nor in their practice, or their practice gives their profession and pretences the lie, and demonstrates the folly and falsehood of them. 2. For the conviction and consequent satisfaction of those that are near to God: But, if we walk in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin. As the blessed God is the eternal boundless light, and the Mediator is, from him, the light of the world, so the Christian institution is the great luminary that appears in our sphere, and shines here below. A conformity to this in spirit and practice demonstrates fellowship or communion with God. Those that so walk show that they know God, that they have received of the Spirit of God, and that the divine impress or image is stamped upon their souls. Then we have fellowship one with another, they with us and we with them, and both with God, in his blessed or beatific communications to us. And this is one of those beatific communications to us - that his Son's blood or death is applied or imputed to us: The blood of Jesus Christ his Son cleanseth us from all sin. The eternal life, the eternal Son, hath put on flesh and blood, and so became Jesus Christ. Jesus Christ hath shed his blood for us, or died to wash us from our sins in his own blood. His blood applied to us discharges us from the guilt of all sin, both original and actual, inherent and committed: and so far we stand righteous in his sight; and not only so, but his blood procures for us those sacred influences by which sin is to be subdued more and more, till it is quite abolished, Gal 3:13, Gal 3:14.
Historical interpretation
Eight Centuries of Reception
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"And the blood of Jesus Christ His Son," he says, "cleanses us." For the doctrine of the Lord, which is very powerful, is called His blood.
From the Epistle also of John they forthwith cull (a proof). It is said: "The blood of His Son purifieth us utterly from every sin." Always then, and in every form, we will sin, if always and from every sin He utterly purifies us; or else, if not always, not again after believing; and if not from sin, not again from fornication.
"If we walk in the light, as He is in the light, we have fellowship one with another." Let us walk in the light, as He is in the light, that we may be able to have fellowship with Him. And what are we to do about our sins? Hear what follows, "And the blood of Jesus Christ His Son shall purge us from all sin." Great assurance hath God given! Well may we celebrate the Passover, wherein was shed the blood of the Lord, by which we are cleansed "from all sin!" Let us be assured: the "handwriting which was against us," the bond of our slavery, the devil held, but by the blood of Christ it is blotted out. "The blood," saith he, "of His Son shall purge us from all sin." What meaneth, "from all sin"? Mark: even now, in the name of Christ whom these here have now confessed, who are called infants, have all their sins been cleansed. They came in old, they went out new. How, came in old, went out new? Old men they came in, infants they went out. For the old life is old age with all its dotage, but the new life is the infancy of regeneration.
The blood of animal sacrifices was enough to cleanse people from whatever particular sin they had committed, but the blood of Christ is sufficient to cleanse those who walk in love from all sin.
But if we walk in the light, etc. The distinction of words is to be noted, because he says that God is in the light, but that we ought to walk in the light. For the righteous walk in the light, as they advance to better things by serving with works of virtue. But divine holiness, to which it is said: "But you are the same" (Ps. CI), is rightly remembered to be in the light, because being full goodness always existing, it does not find where it may advance. To the faithful it is said: "Walk as children of light" (Eph. V). For the fruit of light is in all goodness and righteousness and truth. But God always exists as good, just, and true without any progress. If, therefore, we walk in the light, as He is in the light, we have fellowship with one another. Because it evidently gives an indication that we are advancing by walking in the path of light, if we rejoice in the bond of fraternal fellowship, with which we likewise may reach the true light. But even if we are found to do the works of light, if we seem to hold inviolable the rights of mutual love, we should not think that by our progress or industry we are able to be completely cleansed from sins. For it follows:
And the blood of Jesus Christ, His Son, cleanses us from all sin. For indeed, the sacrament of the Lord's passion both alleviated all past sins for us in baptism and forgives whatever we commit after baptism due to daily frailty, by the grace of the same our Redeemer. Especially when among the works of light that we perform, we humbly confess our errors to Him daily, when we receive the sacraments of His blood, when we pray for our debts to be forgiven as we forgive our debtors, when, mindful of His passion, we willingly endure each adverse thing. Remarkably, when speaking of the Lord, it is said: "And the blood of Jesus His Son"; indeed, the Son of God in the nature of divinity could not have blood; but since the same Son of God also became the Son of man, appropriately He calls the blood of the Son of God due to the unity of His person, to show that He truly assumed a body, truly shed His blood for us; and to refute the heretics who either deny that the true flesh was assumed by the Son of God or that the Lord Jesus truly suffered in the flesh which He assumed. Similar to this is what Paul says: "The Holy Spirit has made you overseers to shepherd the church of God which He purchased with His own blood" (Acts 20).
If we say that we have fellowship with Him and walk in darkness, we lie and do not practice the truth. But if we walk in the light, as He is in the light, we have fellowship with one another, and the blood of Jesus Christ His Son cleanses us from all sin.
Since therefore we are called to have fellowship with God, who is light; furthermore, in such light the darkness cannot stand, as has been demonstrated, nor can we, who are partakers of the light, thereafter receive darkness in ourselves, lest we suffer the penalties of falsehood and be separated from the fellowship of light along with falsehood. Therefore, having mutual fellowship (namely, both among ourselves and with the light), we make ourselves difficult to sin.
But how will this happen to us, John says, who have previously offended in many sins? For no one who is truthful and accustomed to speaking the truth will dare to say that he is without sin. Therefore, if anyone is surrounded and occupied by this fear, let him be of good spirit, he says, for he has been purified by the blood of His Son Jesus Christ shed for us, having contracted a fellowship with Him. Therefore, observe that because of the supreme union, He also calls the Son of the Father the nature assumed from us, whose blood is undoubtedly of the assumed nature and not of God.
How then, is Nestorius mad and impious, who separating the flesh of the Son does not allow His mother to be called Θεοτόκον, that is, the Mother of God? "But if we walk in the light, as He is in the light," (1 Jn. 1:7) it should be understood that the understanding of the whole sentence is the overturning of the blasphemy of the Jews (see Rev. 2:9): for they indeed said of Christ: "We know that He is a sinner." (Jn. 9:34) John says therefore: If we do the works of light, we are partakers of him; but if we do not, we are strangers to him. How then, is he not truthful, he asks, and has committed no sin, although "he was rejected by us among sinners?" (Is. 53:12) If therefore we who said, "His blood be upon us and upon our children," (Matt. 27:24) boldly say that we have not sinned, we deceive ourselves (1 Jn. 1:8) or are deceived, as if it were not a sin to crucify Christ.
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Summary
A pivotal verse that articulates the inseparable connection between a life lived in moral and spiritual transparency, authentic Christian community, and the continuous, cleansing power of Jesus Christ's atoning sacrifice. It presents a divine paradox where human effort to align with God's nature (walking in the light) is met with God's gracious provision for ongoing purification from sin, fostering genuine fellowship among believers.
Context
Literary Context
This verse stands as the positive affirmation following a crucial theological argument in John's opening chapter. John begins by asserting his eyewitness testimony to the incarnate Word of Life (1 John 1:1-4). He then declares God's fundamental nature: "God is light, and in him is no darkness at all" (1 John 1:5). Immediately preceding 1 John 1:7, John issues a stern warning against hypocrisy: "If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth" (1 John 1:6). Thus, 1 John 1:7 offers the blessed alternative to this false claim, presenting the true conditions and consequences of genuine fellowship with God and with one another. It sets the stage for the subsequent discussion on confessing sin in 1 John 1:9.
Historical & Cultural Context
John's epistle was likely written towards the end of the first century, addressing a Christian community grappling with emerging doctrinal challenges, often identified as proto-Gnosticism. This nascent heresy posited a dualism between spirit (good) and matter (evil), leading some to believe that spiritual knowledge (gnosis) was paramount and detached from moral conduct. Consequently, some claimed to possess a special relationship with God while living in blatant sin. John directly counters this antinomian tendency, emphasizing that true knowledge of God must manifest in righteous living. The concept of "light" was also significant in both Jewish and Hellenistic thought, often associated with truth, revelation, and purity, while "darkness" represented ignorance, error, and moral corruption. John leverages this widely understood imagery to underscore the ethical implications of Christian belief.
Key Themes
1 John 1:7 contributes to several overarching themes in 1 John. The primary theme is the nature of God as light and truth, which demands a corresponding ethical lifestyle from His followers. This is intricately linked to the theme of true fellowship, both with God and with other believers, which is impossible if one persists in darkness. The verse also highlights the necessity of ongoing sanctification and the efficacy of Christ's atoning work, emphasizing that cleansing from sin is a continuous process made possible solely by the "blood of Jesus Christ." This continuous cleansing underscores God's grace and faithfulness in maintaining the believer's relationship with Him, even amidst human imperfection, as further elaborated in 1 John 2:1-2. The call to "walk in the light" is a recurring motif throughout the epistle, serving as a litmus test for genuine faith and love, as seen in passages like 1 John 2:9-11.
Exposition and Analysis
Key Word Analysis
This verb literally means "to tread all around" or "to walk at large." Figuratively, as used here, it signifies one's manner of life, conduct, or deportment. It implies a continuous, habitual way of living rather than a single act. To "walk in the light" therefore means to consistently live in accordance with God's character, truth, and moral standards.
In this context, "light" is a profound theological term. It represents God's very nature—His holiness, truth, purity, and revelation. To be "in the light" means to be in a state of moral and spiritual purity, transparency, and truthfulness, free from the concealment and deception associated with darkness (sin).
This verb means "to cleanse," "to purge," or "to purify." Its significance here lies in its grammatical tense: the present active indicative. This indicates a continuous, ongoing action. It is not a one-time past event, but a perpetual process of purification that is actively performed by the blood of Jesus Christ for those who are walking in the light.
Verse Breakdown
"But if we walk in the light,"
This opening clause introduces a conditional statement, contrasting with the negative scenario of walking in darkness described in 1 John 1:6. "Walking in the light" denotes a consistent lifestyle characterized by moral purity, transparency, and adherence to God's truth, reflecting His holy character. It implies an active, intentional alignment of one's life with divine revelation.
"as he is in the light,"
This phrase establishes the standard for our walk: God Himself. Our walk in the light is to be patterned after God's own perfect and unblemished existence "in the light." It signifies that our pursuit of truth and holiness is not arbitrary but is rooted in the very nature of the God with whom we claim fellowship. This sets an absolute, divine benchmark for Christian conduct.
"we have fellowship one with another,"
This is the first blessed consequence of walking in the light. "Fellowship" (Greek: koinōnía) implies a deep partnership, sharing, and communion. When believers genuinely live in transparency and truth, their shared commitment to God's light creates an authentic and profound bond among them, fostering mutual support, accountability, and spiritual intimacy within the Christian community. This horizontal fellowship is a direct outflow of vertical fellowship with God.
"and the blood of Jesus Christ his Son cleanseth us from all sin."
This is the second, and arguably most profound, consequence. The "blood of Jesus Christ" refers to His sacrificial death on the cross, which is the sole basis for atonement and purification from sin. The verb "cleanseth" (Greek: katharízō) is in the present tense, indicating a continuous, ongoing process. This means that as believers strive to walk in the light and inevitably stumble or fall short, the atoning work of Christ perpetually purifies them, ensuring that their fellowship with God and with one another remains unbroken. This divine provision underscores God's unending grace and the complete efficacy of Christ's sacrifice, covering "all sin"—past, present, and future.
Literary Devices
The verse employs several significant literary devices. Metaphor is central, particularly in the phrase "walk in the light." "Light" serves as a metaphor for God's nature, truth, and holiness, while "walking" metaphorically represents one's manner of life or conduct. This creates a vivid image of a life lived in transparency and moral purity, contrasting implicitly with the "darkness" (sin) mentioned in the preceding verse. The phrase "as he is in the light" functions as a simile, drawing a direct comparison between our walk and God's perfect being, setting a divine standard. Furthermore, the "blood of Jesus Christ" is a powerful symbol representing His atoning sacrifice on the cross, the means by which cleansing from sin is achieved. The structure of the verse itself forms a conditional clause, "If we walk... then we have..." clearly outlining the prerequisites and the resultant blessings of a life lived in truth.
Theological and Thematic Connections
1 John 1:7 profoundly articulates the dynamic interplay between divine grace and human responsibility in the Christian life. It underscores that while God's nature is absolute light and truth, our fellowship with Him is contingent upon our willingness to align our lives with that truth. This alignment is not a means to earn salvation, but a necessary condition for experiencing the ongoing benefits of Christ's redemptive work, particularly the continuous cleansing from sin. The verse also highlights the foundational importance of community, showing that genuine horizontal fellowship among believers flows directly from their shared vertical relationship with God, characterized by transparency and a reliance on Christ's blood. It speaks to the doctrine of progressive sanctification, where believers are continually purified and conformed to Christ's image through His active work.
Reflection and Application
1 John 1:7 calls believers to a life of radical transparency and authenticity before God and one another. It challenges us to examine whether our outward profession of faith matches our inward walk. To "walk in the light" means actively choosing honesty over deception, moral purity over compromise, and truth over falsehood in every area of our lives. This involves a willingness to expose our hidden sins and struggles to God and, where appropriate, to trusted members of our Christian community. The promise of continuous cleansing by Christ's blood provides immense comfort and assurance, reminding us that our standing with God is not based on our perfect performance, but on His perfect sacrifice and ongoing grace. This truth liberates us from the burden of self-justification and empowers us to pursue holiness, knowing that even when we stumble, God's provision for forgiveness and purification remains active and available through Christ. It also underscores the vital role of genuine Christian community, where mutual accountability and support flourish as believers walk together in the light.
Questions for Reflection
FAQ
What does "walk in the light" truly mean?
To "walk in the light" means to live a life characterized by moral purity, truthfulness, and transparency, in active conformity with God's revealed nature and commands. It implies a consistent, ongoing lifestyle of integrity, where one avoids hypocrisy, deception, and willful sin. It's about living openly before God and others, allowing His truth to illuminate and expose every area of one's life, rather than hiding in spiritual or moral "darkness." This is a continuous pursuit, not a one-time achievement, reflecting the ongoing process of sanctification. It aligns with the call to "walk as children of light" found in other New Testament passages.
Is the cleansing from sin a one-time event or ongoing?
According to 1 John 1:7, the cleansing from sin by the blood of Jesus Christ is an ongoing, continuous process. The Greek verb "cleanseth" (katharízō) is in the present active indicative tense, which denotes a continuous action. While salvation and the initial forgiveness of sins are definitive, one-time events at conversion, believers continue to struggle with sin in their daily lives. This verse assures us that as we strive to walk in the light and confess our sins, Christ's atoning work perpetually purifies us, maintaining our fellowship with God. This continuous cleansing is a vital aspect of progressive sanctification, ensuring that our relationship with God remains unbroken despite our imperfections, as also highlighted in 1 John 1:9.
How does walking in the light relate to fellowship?
Walking in the light is intrinsically linked to genuine fellowship, both with God and with other believers. When we walk in the light, meaning we live transparently and truthfully according to God's standards, we are in fellowship with Him, because "God is light, and in him is no darkness at all" (1 John 1:5). This vertical fellowship then enables authentic horizontal fellowship. When believers are honest about their struggles, confess their sins, and strive for purity, it creates an environment of trust, vulnerability, and mutual support within the Christian community. Conversely, if we claim fellowship with God but "walk in darkness," our claim is false, and true fellowship with others is impossible, as hypocrisy and hidden sin create barriers to genuine intimacy and communion, as described in 1 John 1:6.
Christ-Centered Fulfillment
1 John 1:7 finds its ultimate fulfillment and meaning in Jesus Christ. He is not merely a guide to the light; He is the Light itself, as He declared, "I am the light of the world" (John 8:12). Our ability to "walk in the light" is therefore entirely dependent on our relationship with Him, for He embodies the very truth and holiness that God is. Furthermore, the continuous cleansing from "all sin" is solely accomplished through "the blood of Jesus Christ his Son." This points directly to His once-for-all atoning sacrifice on the cross, which perfected for all time those who are being sanctified (Hebrews 10:10-14). He is both the perfect Lamb whose blood purifies and the Great High Priest who intercedes for us, ensuring that this cleansing is perpetual (Hebrews 7:25). Thus, our fellowship with one another, and our ongoing purification, are not achieved by our own merit or effort, but are gracious gifts made possible by Christ's person and finished work, continually applied by His Spirit as we abide in Him (John 15:4-5).