1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
Chapter 20
38So the prophet departed, and waited for the king by the way, and disguised himself with ashes upon his face.41And he hasted, and took the ashes away from his face; and the king of Israel discerned him that he was of the prophets.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.