2 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
5:13And his servants drew near, and spoke to him and said, My father, if the prophet had bidden thee do some great thing, wouldest thou not have done it? how much rather then, when he says to thee, Wash and be clean?
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.