² tn Heb “and it was hot to Cain.” This Hebrew idiom means that Cain “burned” with anger.

⁴ sn God becomes Cain’s protector. Here is common grace—Cain and his community will live on under God’s care, but without salvation.

¹ tn Or “they have gone the way of Cain.”

³ sn The word “brother” appears six times in vv. 8-11, stressing the shocking nature of Cain’s fratricide (see 1 John 3:12).

¹ tn Heb “But Abel brought, also he….” The disjunctive clause (conjunction plus subject plus verb) stresses the contrast between Cain’s offering and Abel’s.

¹ tn The primary meaning of the Hebrew word עָוֹן (ʿavon) is “sin, iniquity.” But by metonymy it can refer to the “guilt” of sin, or to “punishment” for sin. The third meaning applies here. Just before this the Lord announces the punishment for Cain’s actions, and right after this statement Cain complains of the severity of the punishment. Cain is not portrayed as repenting of his sin.

³ tn Heb “sign”; “reminder.” The term “sign” is not used in the translation because it might imply to an English reader that God hung a sign on Cain. The text does not identify what the “sign” was. It must have been some outward, visual reminder of Cain’s special protected status.

¹ sn The Letter to the Hebrews explains the difference between the brothers as one of faith—Abel by faith offered a better sacrifice. Cain’s offering as well as his reaction to God’s displeasure did not reflect faith. See further B. K. Waltke, “Cain and His Offering,” WTJ 48 (1986): 363-72.

¹ sn Seventy-seven times. Lamech seems to reason this way: If Cain, a murderer, is to be avenged seven times (see v. 15), then how much more one who has been unjustly wronged! Lamech misses the point of God’s merciful treatment of Cain. God was not establishing a principle of justice when he warned he would avenge Cain’s murder. In fact he was trying to limit the shedding of blood, something Lamech wants to multiply instead. The use of “seventy-seven,” a multiple of seven, is hyperbolic, emphasizing the extreme severity of the vengeance envisioned by Lamech.

¹ sn What have you done? Again the Lord’s question is rhetorical (see Gen 3:13), condemning Cain for his sin.

¹ tc Heb “Nevertheless Cain will be wasted; how long will Asshur take you captive?” Cain was believed to be the ancestor of the Kenites. The NAB has “yet destined for burning, even as I watch, are your inhabitants.” Asshur may refer to a north Arabian group of people of Abrahamic stock (Gen 25:3), and not the Assyrian empire.

³ tn Heb “And his face fell.” The idiom means that the inner anger is reflected in Cain’s facial expression. The fallen or downcast face expresses anger, dejection, or depression. Conversely, in Num 6 the high priestly blessing speaks of the Lord lifting up his face and giving peace.

³ tn Heb “and Abel was a shepherd of the flock, and Cain was a worker of the ground.” The designations of the two occupations are expressed with active participles, רֹעֵה (roʿeh, “shepherd”) and עֹבֵד (ʿoved, “worker”). Abel is occupied with sheep, whereas Cain is living under the curse, cultivating the ground.

¹ tc The MT has simply “and Cain said to Abel his brother,” omitting Cain’s words to Abel. It is possible that the elliptical text is original. Perhaps the author uses the technique of aposiopesis, “a sudden silence” to create tension. In the midst of the story the narrator suddenly rushes ahead to what happened in the field. It is more likely that the ancient versions (Smr, LXX, Vulgate, and Syriac), which include Cain’s words, “Let’s go out to the field,” preserve the original reading here. After writing אָחִיו (ʾakhiyv, “his brother”), a scribe’s eye may have jumped to the end of the form בַּשָׂדֶה (bassadeh, “to the field”) and accidentally omitted the quotation. This would be an error of virtual homoioteleuton. In older phases of the Hebrew script the sequence יו (yod-vav) on אָחִיו is graphically similar to the final ה (he) on בַּשָׂדֶה.

¹ sn Since the author states that Cain…was of the evil one (ἐκ τοῦ πονηροῦ, ek tou ponērou), in the immediate context this imagery serves as an illustration of 3:8a: The person who practices sin is of the devil (ἐκ τοῦ διαβόλου, ek tou diabolou). This is similar to John 8:44, where Jesus told his opponents “you people are from your father the devil…[who] was a murderer from the beginning.” In both Jewish and early Christian writings Cain is a model for those who deliberately disbelieve; Testament of Benjamin 7:5 looks forward to the punishment of those who “are like Cain in the envy and hatred of brothers.” It is not difficult to see why the author of 1 John used Cain here as a model for the opponents in light of their failure to “love the brothers” (see 1 John 3:17).

¹ tn The introduction of the conditional clause with an interrogative particle prods the answer from Cain, as if he should have known this. It is not a condemnation, but an encouragement to do what is right.

² sn Here are two types of worshipers—one (Cain) merely discharges a duty at the proper time, while the other (Abel) goes out of his way to please God with the first and the best.

³ tn The Hebrew verb שָׁעָה (shaʿah) simply means “to gaze at, to have regard for, to look on with favor [or “with devotion”].” The text does not indicate how this was communicated, but it indicates that Cain and Abel knew immediately. Either there was some manifestation of divine pleasure given to Abel and withheld from Cain (fire consuming the sacrifice?), or there was an inner awareness of divine response.

² sn Everyone who hates his fellow Christian is a murderer. On one level it is easy to see how the author could say this; the person who hates his brother is one and the same with the person who murders his brother. Behind the usage here, however, is John 8:44, the only other occurrence of the Greek word translated murderer (ἀνθρωποκτόνος, anthrōpoktonos) in the NT, where the devil is described as a “murderer from the beginning.” John 8:44 refers to the devil’s role in bringing death to Adam and Eve, but even more to his involvement (not directly mentioned in the Genesis account, but elaborated in the intertestamental literature, especially the writings of Philo) in Cain’s murder of his brother Abel. This was the first incident of murder in human history and also the first outward demonstration of the full implications of sin’s entry into the world. Ultimately, then, the devil is behind murder, just as he was behind Cain’s murder of Abel. When the hater kills, he shows himself to be a child of the devil (cf. 1 John 3:10). Once again, conduct is the clue to paternity.

² tn The word “voice” is a personification; the evidence of Abel’s shed blood condemns Cain, just as a human eyewitness would testify in court. For helpful insights, see G. von Rad, Biblical Interpretations in Preaching; and L. Morris, “The Biblical Use of the Term ‘Blood,’” JTS 6 (1955/56): 77-82.