Joseph Benson's Commentary of the Old and New Testaments - Judges 4:18-19
Judges 4:18-19. Jael said unto him, Turn in, my lord If Jael now intended to betray and deliver him to Barak, or otherwise to injure him, her addressing him in this manner was dissimulation and treachery, and is not to be excused. But it is highly probable that she had now no other intention toward him, in inviting him into her tent, than merely to afford him that shelter and protection which he sought of her, and such relief and refreshment as she would have afforded to any weary and... read more
Albert Barnes' Notes on the Whole Bible - Judges 4:21
If we can overlook the treachery and violence which belonged to the morals of the age and country, and bear in mind Jael’s ardent sympathies with the oppressed people of God, her faith in the right of Israel to possess the land in which they were now slaves, her zeal for the glory of Yahweh as against the gods of Canaan, and the heroic courage and firmness with which she executed her deadly purpose, we shall be ready to yield to her the praise which is her due. See Judges 3:30 note. read more