2 Samuel 3:13

Thee. Could David thus authorize treachery? It is answered, that Abner knew that the throne belonged to him, and he was already responsible for all the evils of the civil war. David does not approve of his conduct, but only makes use of him to obtain his right. --- Michol. He might justly think that the people would have less repugnance to acknowledge him for their sovereign, when they saw that he had married the daughter of Saul. she had never been repudiated by him. (Calmet)