Flavius Josephus, The Wars of the Jews or History of the Destruction of Jerusalem (75), BOOK II Containing The Interval Of Sixty Nine Years From The Death Of Herod Till Vespasian Was Sent To Subdue The Jews By Nero, CHAPTER 21 Concerning John Of Gichala Josephus Uses Stratagems Against The Plots John Laid Against Him And Recovers Certain Cities Which Had Revolted From Him