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
Matthew Henry's Complete Commentary - Genesis 4:9-12
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... read more