John Gills Exposition of the Bible Commentary - Genesis 4:10
And he said ,.... Not Cain, the last speaker, but the Lord God: what hast thou done ? what an heinous crime hast thou committed! how aggravated is it! I know what thou hast done; thou hast slain thy brother, thine own, thine only brother, a holy, righteous, and good man, who never gave thee any offence, or any just occasion of shedding his innocent blood: this he said as knowing what he had done, and to impress his mind with a sense of the evil, and to bring him to a confession of it,... read more
John Gills Exposition of the Bible Commentary - Genesis 4:9
And the Lord said unto Cain, where is Abel thy brother ?.... Perhaps this was said to him the next time he came to offer, he not being with him: this question is put, not as being ignorant where he was, but in order to bring Cain to a conviction and confession of his sin, to touch his conscience with it, and fill it with remorse for it; and, for the aggravation of it, observes the relation of Abel to him, his brother: and he said, I know not ; which was a downright lie; for he must know... read more