4 Bible Verses about Apostasy Of Saul

Then said Samuel unto Saul, "I will not return with thee: for thou hast cast away the bidding of God, and therefore the LORD hath cast away thee also, that thou shalt not be king over Israel." And as Samuel turned to go away, he caught the lap of his coat, and it rent. Then Samuel said, "The LORD hath rent the kingdom of Israel from thee this day, and hath given it to a neighbour of thine that is better than thou.read more.
And thereto he that giveth victory to Israel, will not beguile nor repent: for he is not a man, that can repent."

For Saul was afraid of David: because the LORD was with him, and was departed from Saul.

And Samuel said to Saul, "Why hast thou unquieted me, to make me be brought up?" And Saul answered, "I am sore encumbered. For the Philistines make war against me, and God is departed from me and answered me no more, neither by prophets, neither by dreams. And therefore have I called thee, to tell me what I shall do."

because thou obeyedest not the voice of the LORD, nor executedest his fierce wrath upon the Amalekites. Therefore hath the LORD done this unto thee this day.