1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
9:5then I have established the throne of thy kingdom over Israel -- to the age, as I spake unto David thy father, saying, There is not cut off to thee a man from being on the throne of Israel.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.