TRV
- English
- King James KJV
- Complete Jewish CJB
- World English WEBM
- Berean Standard BSB
- American Standard ASV
- Geneva GNV
- Young's Literal YLT
- Douay-Rheims DRC
- International
- Shqip ALB
- العربية SVD
- বাংলা BN-IRV
- မြန်မာ Judson
- 简体文 CUV-S
- 繁體中文 CUV-T
- Čeština BKR
- Nederlands STVE
- Français LSG
- Deutsch SCH
- Ελληνικά Vamvas
- ગુજરાતી GU-IRV
- Hausa HCB
- עברית Hebrew
- हिन्दी HCV
- Magyar KAROLI
- Bahasa Indonesia INDO-TB
- Italiano Diodati
- 日本語 Kougo
- 한국어 Korean
- മലയാളം MAL
- मराठी MRCV
- Norsk DNB
- فارسی OPV
- Polski BG
- Português Almeida
- Română Cornilescu
- Русский Synodal
- Español RVG
- Kiswahili Neno
- Svenska SV1917
- Tagalog TAG-ADB
- தமிழ் TCV
- తెలుగు TSA
- ภาษาไทย THAI-KJV
- Українська Ohienko
- Tiếng Việt CADMAN
- Yorùbá YCB
See on the biblical-era map
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 Genesis 4:9–12. His four-level outline is real structure in the source text, so it is rendered as structure.
We have here a full account of the trial and condemnation of the first murderer. Civil courts of judicature not being yet erected for this purpose, as they were afterwards (Gen 9:6), God himself sits Judge; for he is the God to whom vengeance belongs, and who will be sure to make inquisition for blood, especially the blood of saints. Observe,
I.The arraignment of Cain:
The Lord said unto Cain, Where is Abel thy brother? Some think Cain was thus examined the next sabbath after the murder was committed, when the sons of God came, as usual, to present themselves before the Lord, in a religious assembly, and Abel was missing, whose place did not use to be empty; for the God of heaven takes notice who is present at and who is absent from public ordinances. Cain is asked, not only because there is just cause to suspect him, he having discovered a malice against Abel and having been last with him, but because God knew him to be guilty; yet he asks him, that he may draw from him a confession of his crime, for those who would be justified before God must accuse themselves, and the penitent will do so.
II.Cain's plea: he pleads not guilty, and adds rebellion to his sin. For,
1.He endeavours to cover a deliberate murder with a deliberate lie: I know not. He knew well enough what had become of Abel, and yet had the impudence to deny it. Thus, in Cain, the devil was both a murderer and a liar from the beginning. See how sinners' minds are blinded, and their hearts hardened by the deceitfulness of sin: those are strangely blind that think it possible to conceal their sins from a God that sees all, and those are strangely hard that think it desirable to conceal them from a God who pardons those only that confess.
2.He impudently charges his Judge with folly and injustice, in putting this question to him: Am I my brother's keeper? He should have humbled himself, and have said, Am not I my brother's murderer? But he flies in the face of God himself, as if he had asked him an impertinent question, to which he was no way obliged to give an answer: "Am I my brother's keeper? Surely he is old enough to take care of himself, nor did I ever take any charge of him." Some think he reflects on God and his providence, as if he had said, "Art not thou his keeper? If he be missing, on thee be the blame, and not on me, who never undertook to keep him." Note, A charitable concern for our brethren, as their keepers, is a great duty, which is strictly required of us, but is generally neglected by us. Those who are unconcerned in the affairs of their brethren, and take no care, when they have opportunity, to prevent their hurt in their bodies, goods, or good name, especially in their souls, do, in effect, speak Cain's language. See Lev 19:17; Phi 2:4.
III.The conviction of Cain, Gen 4:10.
God gave no direct answer to his question, but rejected his plea as false and frivolous: "What hast thou done? Thou makest a light matter of it; but hast thou considered what an evil thing it is, how deep the stain, how heavy the burden, of this guilt is? Thou thinkest to conceal it, but it is to no purpose, the evidence against thee is clear and incontestable: The voice of thy brother's blood cries." He speaks as if the blood itself were both witness and prosecutor, because God's own knowledge testified against him and God's own justice demanded satisfaction. Observe here,
1.Murder is a crying sin, none more so. Blood calls for blood, the blood of the murdered for the blood of the murderer; it cries in the dying words of Zechariah (Ch2 24:22), The Lord look upon it and require it; or in those of the souls under the altar (Rev 6:10), How long, Lord, holy, and true? The patient sufferers cried for pardon (Father, forgive them), but their blood cries for vengeance. Though they hold their peace, their blood has a loud and constant cry, to which the ear of the righteous God is always open.
2.The blood is said to cry from the ground, the earth, which is said to open her mouth to receive his brother's blood from his hand, v. 11. The earth did, as it were, blush to see her own face stained with such blood, and therefore opened her mouth to hide that which she could no hinder. When the heaven revealed Cain's iniquity, the earth also rose up against him (Job 20:27), and groaned on being thus made subject to vanity, Rom 8:20, Rom 8:22. Cain, it is likely, buried the blood and the body, to conceal his crime; but "murder will out." He did not bury them so deep but the cry of them reached heaven. 3. In the original the word is plural, thy brother's bloods, not only his blood, but the blood of all those that might have descended from him; or the blood of all the seed of the woman, who should, in like manner, seal the truth with their blood. Christ puts all on one score (Mat 23:35); or because account was kept of every drop of blood shed. How well is it for us that the blood of Christ speaks better things than that of Abel! Heb 12:24. Abel's blood cried for vengeance, Christ's blood cries for pardon.
IV.The sentence passed upon Cain: And now art thou cursed from the earth, Gen 4:11. Observe here,
1.He is cursed, separated to all evil, laid under the wrath of God, as it is revealed from heaven against all ungodliness and unrighteousness of men, Rom 1:18. Who knows the extent and weight of a divine curse, how far it reaches, how deep it pierces? God's pronouncing a man cursed makes him so; for those whom he curses are cursed indeed. The curse for Adam's disobedience terminated on the ground: Cursed is the ground for thy sake; but that for Cain's rebellion fell immediately upon himself: Thou art cursed; for God had mercy in store for Adam, but none for Cain. We have all deserved this curse, and it is only in Christ that believers are saved from it and inherit the blessing, Gal 3:10, Gal 3:13.
2.He is cursed from the earth. Thence the cry came up to God, thence the curse came up to Cain. God could have taken vengeance by an immediate stroke from heaven, by the sword of an angel, or by a thunderbolt; but he chose to make the earth the avenger of blood, to continue him upon the earth, and not immediately to cut him off, and yet to make even this his curse. The earth is always near us, we cannot fly from it; so that, if this is made the executioner of divine wrath, our punishment is unavoidable: it is sin, that is, the punishment of sin, lying at the door. Cain found his punishment where he chose his portion and set his heart. Two things we expect from the earth, and by this curse both are denied to Cain and taken from him: sustenance and settlement.
(1.)Sustenance out of the earth is here withheld from him. It is a curse upon him in his enjoyments, and particularly in his calling: When thou tillest the ground, it shall not henceforth yield unto thee its strength. Note, Every creature is to us what God makes it, a comfort or a cross, a blessing or a curse. If the earth yield not her strength to us, we must therein acknowledge God's righteousness; for we have not yielded our strength to him. The ground was cursed before to Adam, but it was now doubly cursed to Cain. That part of it which fell to his share, and of which he had the occupation, was made unfruitful and uncomfortable to him by the blood of Abel. Note, The wickedness of the wicked brings a curse upon all they do and all they have (Deu 28:15, etc.), and this curse embitters all they have and disappoints them in all they do.
(2.)Settlement on the earth is here denied him: A fugitive and a vagabond shalt thou be in the earth. By this he was condemned,
[1.]To perpetual disgrace and reproach among men. It should be ever looked upon as a scandalous thing to harbour him, converse with him, or show him any countenance. And justly was a man that had divested himself of all humanity abhorred and abandoned by all mankind, and made infamous.
[2.]To perpetual disquietude and horror in his own mind. His own guilty conscience should haunt him wherever he went, and make him Magormissabib, a terror round about. What rest can those find, what settlement, that carry their own disturbance with them in their bosoms wherever they go? Those must needs be fugitives that are thus tossed. There is not a more restless fugitive upon earth than he that is continually pursued by his own guilt, nor a viler vagabond than he that is at the beck of his own lusts.
This was the sentence passed upon Cain; and even in this there was mercy mixed, inasmuch as he was not immediately cut off, but had space given him to repent; for God is long-suffering to us-ward, not willing that any should perish.
Historical interpretation
Seven Centuries of Reception
7 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.
(69) Why he who had slain his brother makes answer as if he were replying to a man; and says, "I do not know: am I my brother's keeper?" (#Ge 4:9). It is the opinion of an atheist to think that the eye of God does not penetrate through every thing, and behold all things at the same time; piercing not only through what is visible, but also through every thing which lurks in the deepest and bottomless unfathomable abysses. Suppose a person said to him, "How can you be ignorant where your brother is, and how is it that you do not know that, when as yet he is one out of the only four human beings which exist in the world? He being one with both his parents, and you his only brother." To this question the reply made is: "I am not my brother's keeper." O what a beautiful apology! And whose keeper and protector ought you to have been, rather than your brother's? But if you have excited your diligence to give effect to violence, and injury, and fraud, and homicide, which are the foulest and most abominable of actions, why did you consider the safety of your brother a secondary object?"
God appeared to Cain with kindness, so that if he repented, the sin of murder that his fingers had committed might be effaced by the compunction on his lips. If he did not repent, however, there would be decreed on him a bitter punishment in proportion to his evil folly.
But Cain was filled with wrath instead of compunction. To him who knows all, who asked him about his brother in order to win him back, Cain retorted angrily and said, “I do not know, am I my brother’s keeper?” … What then would you say, Cain? Should Justice take vengeance for the blood that cried out to it? Or not? Did it not delay so that you might repent? Did Justice not distance itself from its own knowledge and ask you as if it did not know, so that you might confess? What it said to you did not please you, so you came to that sin to which it had warned you beforehand not to come.
The divine Scripture always cries out and speaks; hence God also says to Cain, “The voice of your brother’s blood cries out to me.” Blood, to be sure, has no voice, but innocent blood that has been spilled is said to cry out not by words but by its very existence. [It makes] demands of the Lord not with eloquent discourse but with anger over the crime committed. It does not accuse the wrongdoer with words so much as bind him by the accusation of his own conscience. The evil deed may seem to be excused when it is explained away with words. But it cannot be excused if it is made present to the conscience. For in silence and without contradiction the wrongdoer’s conscience always convicts and judges him.
Cain was at once the most wicked and foolish of men in believing that for committing the greatest of crimes it would be sufficient if he avoided other human witnesses. In fact God was the primary witness to his fratricide. Because of this, I think he then shared the opinion held by many today: that God pays no attention to earthly affairs; neither does he see those done by wicked men. There is no doubt that Cain, when summoned by the word of God after his misdeed, answered that he knew nothing of his brother’s murder. He believed God was so ignorant of what had been done that he thought this most deadly crime could be covered by a lie. But it turned out otherwise than he thought. When God condemned him, he realized that God, whom he thought had not seen his crime of murder, had seen him.
He answered: I do not know. Am I my brother's keeper? A foolish and equally arrogant answer; foolish, since he thought he could deceive Him who knew his sinful conscience and accused him of the crime of fratricide even before it was committed, as the knower of secrets; arrogant, since he denied being his brother's keeper in the manner of an obstinate servant, who by manifestation, if any danger threatened, should have taken care of his younger brother, and as the elder should have protected him from impending adversities.
And the Lord said to Cain: Where is Abel your brother? Not as if ignorant, to learn from him, but as a judge questioning a defendant whom he will punish.
Continue studying Genesis 4:9 across the web’s major study libraries — every link below opens this exact verse, chapter, or book on the destination site.
Read & Compare
BibleGatewayThis verse in more than 200 translations and 70 languages.
Bible.comThe YouVersion reader — hundreds of translations, reading plans, and highlights.
ESV.orgCrossway's official English Standard Version reader.
NET BibleThe NET translation with 60,000+ translators' notes on every rendering decision.
STEP BibleTyndale House's free study tool — original text, vocabulary, and scholarly resources.
BibliaLogos Bible Software's free web reader.
USCCBThe New American Bible (Revised Edition) with the U.S. bishops' study notes.
Commentaries
BibleHub CommentariesDozens of classic commentaries on this verse, gathered on one page.
StudyLightMore than 100 commentary sets — the largest collection on the web.
BibleRefPlain-English commentary on what this verse means, verse by verse.
Enduring WordDavid Guzik's free commentary on this chapter, widely used by Bible teachers.
Bible Study ToolsVerse commentary alongside Greek and Hebrew study aids.
Original Language & Research
- BibleHub InterlinearThe verse word by word — original language, transliteration, and English.
- BibleHub LexiconEvery word's original-language definition and Strong's entry.
Blue Letter BibleDeep-study tools — Strong's numbers, concordance, and word studies.
SefariaThe Hebrew text with Rashi and centuries of Jewish commentary.
Sermons, Hymns & Audio
TrulyRandomVerse is not affiliated with these sites and doesn’t control their content. They’re linked because they’re genuinely useful.
Summary
Genesis 4:9 presents a chilling divine interrogation following the world's first murder, capturing the immediate aftermath of Cain's horrific act. The Lord's probing question, "Where is Abel thy brother?", serves not as an inquiry for information but as a demand for accountability, exposing Cain's culpability. Cain's defiant and evasive reply, "I know not: Am I my brother's keeper?", tragically unveils a heart hardened by sin and a profound rejection of the inherent human responsibility to care for one another, setting a foundational moral question about human interconnectedness and the consequences of unaddressed sin.
Context
Literary Context
This verse is the climactic point of God's confrontation with Cain, immediately following the heinous act of fratricide. The narrative in Genesis 4 begins with the contrasting offerings of Cain and Abel, where Abel's sacrifice is accepted and Cain's rejected. This rejection fuels Cain's anger and resentment, leading to God's warning in Genesis 4:7 about sin crouching at his door, ready to master him. Despite this divine counsel, Cain lures Abel into the field and murders him, as recounted in Genesis 4:8. God's question in verse 9 mirrors His earlier confrontation with Adam and Eve in Genesis 3:9 after their disobedience, demonstrating a consistent divine pattern of seeking accountability from fallen humanity. This confrontation initiates the immediate consequences for Cain's sin, setting the stage for his curse and exile.
Historical & Cultural Context
In the ancient Near East, family and tribal relationships were paramount, forming the bedrock of social order and individual identity. Blood kinship carried profound obligations of loyalty, protection, and vengeance. To murder a brother was an ultimate betrayal, shattering the most fundamental social unit. The concept of "blood crying out from the ground" (mentioned in the subsequent verse, Genesis 4:10) reflects a common ancient belief that spilled innocent blood defiled the land and demanded retribution, often by the victim's kin or, in this case, by divine intervention. Cain's defiant question, "Am I my brother's keeper?", would have been understood as a radical rejection of these deeply ingrained societal and familial responsibilities, highlighting the profound moral decay wrought by sin in the earliest human community.
Key Themes
Genesis 4:9 contributes significantly to several overarching themes within the chapter and the broader book. It underscores the theme of sin's progression and devastating consequences, showing how unaddressed anger and jealousy, warned against by God, escalate to murder and lead to further moral decay and divine judgment. The verse also highlights divine omniscience and justice, demonstrating that no human act, however hidden, escapes God's knowledge or accountability. Furthermore, it introduces the foundational theme of human responsibility for one another, implicitly affirming the moral imperative of brotherly care and protection, a principle that resonates throughout biblical law and wisdom literature, such as the call to love your neighbor as yourself. Cain's denial tragically reveals the early corruption of human relationships and the breakdown of communal responsibility.
Exposition and Analysis
Key Word Analysis
This primitive word denotes a brother in the widest sense, encompassing literal kinship and metaphorical affinity or resemblance. In this context, it emphasizes the direct blood relationship between Cain and Abel, making Cain's crime an act of fratricide—a profound violation of the closest human bond. Cain's denial of responsibility for his "brother" underscores his rejection of this fundamental familial and moral tie.
A primitive root meaning "to ascertain by seeing," but used with great latitude to mean "to know" in various senses—literally, figuratively, euphemistically, and inferentially. It includes observation, care, recognition, and even instruction. Cain's "I know not" is a direct denial of knowledge, a lie, and an attempt to evade accountability for his actions, contrasting sharply with God's perfect knowledge.
A primitive root meaning "to hedge about (as with thorns)," and more generally, "to guard, protect, attend to, preserve, watch." This word conveys the idea of active oversight, protection, and diligent care. Cain's rhetorical question, "Am I my brother's keeper?", is a defiant rejection of this inherent responsibility to guard, protect, and care for his brother, revealing a heart devoid of empathy and duty.
Verse Breakdown
"And the LORD said unto Cain, Where is Abel thy brother?"
This opening clause immediately establishes the divine confrontation. God's question is not born of ignorance but is a rhetorical device, a summons to confession and accountability. It forces Cain to confront the reality of his heinous act, echoing God's earlier call to Adam in the Garden. The divine query implies a moral order that has been shattered and demands an answer from the perpetrator.
"And he said, I know not:"
Cain's immediate response is a blatant lie and a desperate attempt to evade responsibility. This denial is characteristic of humanity's fallen nature, seeking to hide sin rather than confess it. It reflects a profound spiritual blindness and moral cowardice in the face of divine scrutiny.
"[Am] I my brother's keeper?"
This rhetorical counter-question is the most impactful part of the verse. It is not a genuine inquiry but a defiant assertion of independence and a rejection of moral obligation. Cain's use of "keeper" (Hebrew: shomer) implies responsibility for care, protection, and oversight. His question, therefore, is a stark "No" to the very concept of brotherly love, mutual responsibility, and the inherent duty to safeguard another's well-being, especially that of a sibling. This reveals the deep corruption sin had wrought, not only in action but in the heart's capacity for empathy and responsibility.
Literary Devices
The exchange in Genesis 4:9 is rich with literary devices that amplify its dramatic and theological impact. The most prominent is the Rhetorical Question, employed first by God ("Where is Abel thy brother?") and then by Cain ("Am I my brother's keeper?"). God's question is not for information but to elicit confession and expose guilt, forcing Cain to confront his sin. Cain's question, conversely, is a defiant refusal of responsibility, an attempt to deflect blame and assert his autonomy. This creates profound Irony, as Cain, who has just taken his brother's life, rhetorically denies any responsibility for it, highlighting the perversion of justice and love. The entire scene builds Dramatic Tension, as the omniscient God confronts the guilty human, leading to a pivotal moment of truth and consequence. The concise dialogue also demonstrates Conciseness, packing immense theological and moral weight into a few powerful words.
Theological and Thematic Connections
Genesis 4:9 serves as a foundational text for understanding the nature of sin, divine justice, and human responsibility. It starkly illustrates how sin, when unaddressed, metastasizes from internal resentment into outward violence, leading to a profound breakdown in human relationships and a direct affront to God's created order. God's question underscores His active involvement in human affairs and His demand for accountability, while Cain's defiant response reveals the depth of humanity's fallen nature and its tendency towards denial and self-preservation over truth and responsibility. The implicit "Yes" to Cain's rhetorical question establishes a timeless moral principle: humans are indeed responsible for the well-being and care of their fellow human beings, a principle that forms the bedrock of ethical living and communal harmony.
Reflection and Application
The profound exchange in Genesis 4:9 challenges us to look inward and honestly assess our own responses to sin and responsibility. Cain's immediate lie and defiant question serve as a mirror, reflecting humanity's innate tendency to evade accountability and deny our obligations to others. This verse calls us to recognize that true freedom and spiritual health are found not in hiding our transgressions but in humbly confessing them before God and seeking His forgiveness. Furthermore, it compels us to embrace our inherent, God-given responsibility for the well-being of our "brother"—our neighbor, our community, and indeed all humanity. In a world often marked by indifference and self-interest, Cain's question serves as a timeless reminder that we are, unequivocally, our brother's keeper, called to actively love, protect, and care for one another, reflecting the very heart of God's design for human relationships.
Questions for Reflection
FAQ
Why does God ask "Where is Abel thy brother?" if He already knows?
God's question is not born of ignorance but is a profound rhetorical device designed to elicit confession and bring Cain's sin into the open. It serves as a divine summons for Cain to take responsibility for his actions, much like God's earlier question to Adam, "Where art thou?" in the Garden of Eden. This approach highlights God's justice, His desire for humanity to acknowledge their sin, and His consistent pattern of holding individuals accountable.
What does "Am I my brother's keeper?" truly mean in its original context?
The Hebrew word for "keeper" (shomer) implies one who guards, watches, or preserves. Cain's question, therefore, is a defiant rejection of any responsibility for Abel's well-being, safety, or life. It is a stark assertion of his independence and indifference to his brother's fate, betraying a complete lack of empathy and a rejection of the moral obligations inherent in their familial bond. The implied answer from God and the narrative is a resounding "Yes," establishing a foundational principle of human interdependence.
Does this verse mean we are literally responsible for everyone's actions?
While this verse does not imply legal culpability for the independent choices of others, it establishes a profound moral principle of human interdependence and mutual care. It means we have a responsibility to act lovingly, to protect the vulnerable, and to seek the good of others, rather than being indifferent or hostile. This principle is foundational to biblical ethics and is echoed throughout Scripture, most notably in the command to "love your neighbor as yourself" and Jesus' teaching on the Good Samaritan, which expands the definition of "neighbor" to anyone in need.
Christ-Centered Fulfillment
Cain's defiant rejection of being his "brother's keeper" in Genesis 4:9 highlights humanity's profound failure to uphold God's design for relational responsibility and love, creating a deep need for a true and perfect Keeper. In stark contrast to Cain, Jesus Christ embodies the ultimate "Keeper" and Good Shepherd. He is the one who did not abandon His "brothers" (humanity) but willingly laid down His life for His sheep, actively seeking their well-being, protection, and salvation. Cain's unprovoked murder of the innocent Abel also tragically foreshadows the world's rejection and crucifixion of the innocent Son of God, who, though sinless, was murdered by His own "brothers" (humanity). Yet, through His sacrificial death, Jesus fully embodies the very "keeper" responsibility Cain so vehemently denied, reconciling humanity to God and to one another, fulfilling the deepest need for true brotherhood and selfless love, as He commanded His followers to "love one another, just as I have loved you."