2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
6:15who hast kept with thy servant David my father that which thou didst promise him; thou spokest with thy mouth, and hast fulfilled it with thy hand as at this day.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.