Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
18:21And he answered: I will go out, and be a lying spirit in the mouth of all his prophets. And the Lord said: Thou shalt deceive, and shalt prevail: go out, and do so.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.