1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
6:12As to this house which thou art building, if thou wilt walk in my statutes, and practise mine ordinances, and keep all my commandments to walk in them, then will I perform my word as to thee which I spoke unto David thy father;
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.