1 Kings 9:5 in the King James Version
Then I will establish the throne of thy kingdom upon Israel for ever, as I promised to David thy father, saying, There shall not fail thee a man upon the throne of Israel.
Context
4 As for you, if you will walk before me as David your father walked, in integrity of heart and in uprightness, to do according to all that I have commanded you, and will keep my statutes and my ordinances,
5 then I will establish the throne of your kingdom over Israel forever, as I promised to David your father, saying, ‘There shall not fail from you a man on the throne of Israel.’
6 But if you turn away from following me, you or your children, and not keep my commandments and my statutes which I have set before you, but go and serve other gods and worship them,