1 Kings 8:24-25 NIV

24 You have kept your promise to your servant David my father; with your mouth you have promised and with your hand you have fulfilled it--as it is today.
25 "Now LORD, God of Israel, keep for your servant David my father the promises1 you made to him when you said, 'You shall never fail to have a man to sit before me on the throne of Israel, if only your sons are careful in all they do to walk before me as you have done.'

References for 1 Kings 8:25