2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
25:8But if thou wilt go, do it; be strong for the battle: God will make thee fall before the enemy, for there is with God power to help and to cast down.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.