1 Samuel 15:23-30

23For rebellion is as the sin of witchcraft, and stubbornness is as iniquity and idolatry. Because thou hast rejected the word of the LORD, he hath also rejected thee from being king.1

24And Saul said to Samuel, I have sinned: for I have transgressed the commandment of the LORD, and thy words: because I feared the people, and obeyed their voice. 25Now therefore, I pray thee, pardon my sin, and turn again with me, that I may worship the LORD. 26And Samuel said to Saul, I will not return with thee: for thou hast rejected the word of the LORD, and the LORD hath rejected thee from being king over Israel. 27And as Samuel turned about to depart, he laid hold upon the skirt of his mantle, and it tore. 28And Samuel said to him, The LORD hath torn the kingdom of Israel from thee this day, and hath given it to a neighbour of thine, that is better than thou. 29And also the Strength of Israel will not lie nor repent: for he is not a man, that he should repent.2 30Then he said, I have sinned: yet honour me now, I pray thee, before the elders of my people, and before Israel, and turn again with me, that I may worship the LORD thy God.