Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
7:26et magnificetur nomen tuum usque in sempiternum atque dicatur Dominus exercituum Deus super Israhel et domus servi tui David erit stabilita coram Domino
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.