“Now I know for certain you will be king, and the kingdom of Israel will be established in your hand.

“‘Then I will raise up a faithful priest for Myself. He will do whatever is in My heart and mind. I will establish a lasting dynasty for him, and he will walk before My anointed one for all time.

Samuel said to Saul, “You have been foolish. You have not kept the command which the Lord your God gave you. It was at this time that the Lord would have permanently established your reign over Israel,

And it has been so from that day forward. David established this policy as a law and an ordinance for Israel and it continues to this very day.