4 Bible Verses about Apostasy Of Saul

Samuel told Saul, "I won't return with you because you have rejected the message from the LORD, and the LORD has rejected you from being king over Israel." As Samuel turned to go Saul seized him by the corner of his robe, and it tore. Samuel told him, "The LORD has torn the kingdom of Israel away from you today, and he has given it to your neighbor who is better than you. read more.
Moreover, the Glory of Israel does not lie or change his mind, for he's not a man that he should change his mind."

Now Saul was afraid of David because the LORD was with him and had departed from Saul.

Samuel told Saul, "Why did you disturb me by bringing me up?" Saul said, "I'm in great distress. The Philistines are waging war against me. God has departed from me and won't answer me anymore, either by messages written by the hand of the prophets or by dreams. So I've summoned you to tell me what I should do."

Because you didn't obey the LORD and didn't display his fierce anger against Amalek, therefore, the LORD will do this thing to you today.