John Gills Exposition of the Bible Commentary - 2 Samuel 12:9
Wherefore hast thou despised the commandment of the Lord, to do evil in his sight ?.... The commandment referred to is the law of God, particularly the sixth and seventh precepts of it, Exodus 20:13 ; which David had shown no regard unto, and by his breaking them had slighted and despised them: thou hast killed Uriah the Hittite with the sword ; and so had despised and broken the sixth command, Exodus 20:13 ; for though he had not taken away his life with his own hand, he had plotted... read more
Matthew Henry's Complete Commentary - 2 Samuel 12:1-14
It seems to have been a great while after David had been guilty of adultery with Bath-sheba before he was brought to repentance for it. For, when Nathan was sent to him, the child was born (2 Sam. 12:14), so that it was about nine months that David lay under the guilt of that sin, and, for aught that appears, unrepented of. What shall we think of David's state all this while? Can we imagine that his heart never smote him for it, or that he never lamented it in secret before God? I would... read more