And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be against him. Wherefore Saul said to David, Thou shalt this day be my son in law in the one of the twain.
Saul feared David because he sensed that God had left him and was with David instead. Note this well: those truly great and to be reverenced have God with them. David's wise behavior only deepened Saul's fear, for wisdom commands respect where threats and hectoring earn only the contempt of the discerning. Saul foolishly removed him from court, thinking to weaken him, but gave David instead a chance to win the people's love.
AI summary
Commenting on 1 Samuel 18:12-30
And Saul commanded his servants, saying, commune with David secretly,.... And persuade him to marry Michal, and assure him of Saul's real regard to him, and good intention towards him; for it seems that David being ill used in the affair of his eldest daughter, did not listen to the proposals of Saul as to the youngest, and therefore Saul took this method to bring...
And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be against him. Wherefore Saul said to David, Thou shalt this day be my son in law in [the one of] the twain. (i) So his hypocrisy appears, for under pretence of favour he sought his destruction.