Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
Chapter 20
23But the servants of the king of Syria said to him: Their gods are gods of the hills, therefore they have overcome us: but it is better that we should fight against them in the plains, and we shall overcome them.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.