just as I swore to you by the LORD God of Israel, saying, "Assuredly Solomon your son shall be king after me, and he shall sit on my throne in my place,' so I certainly will do this day."
1 Kings 1:30
Surrounding context
1:29 And the king took an oath and said, "As the LORD lives, who has redeemed my life from every distress,
1:30 just as I swore to you by the LORD God of Israel, saying, "Assuredly Solomon your son shall be king after me, and he shall sit on my throne in my place,' so I certainly will do this day."
1:31 Then Bathsheba bowed with her face to the earth, and paid homage to the king, and said, "Let my lord King David live forever!"