Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
4:29et ille ait ad Giezi accinge lumbos tuos et tolle baculum meum in manu tua et vade si occurrerit tibi homo non salutes eum et si salutaverit te quispiam non respondeas illi et pones baculum meum super faciem pueri
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.