Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
2:10And he answered: Thou hast asked a hard thing; nevertheless, if thou see me when I am taken from thee, thou shalt have what thou hast asked: but if thou see me not, thou shalt not have it.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.