Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
5:24et cum audieris sonitum gradientis in cacumine pirorum tunc inibis proelium quia tunc egredietur Dominus ante faciem tuam ut percutiat castra Philisthim
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.