1 Kings 22:29-31

Young's Literal Translation

²⁹ And the king of Israel goeth up, and Jehoshaphat king of Judah, to Ramoth-Gilead.

³⁰ And the king of Israel saith unto Jehoshaphat to disguise himself, and to go into battle, `And thou, put on thy garments.' And the king of Israel disguiseth himself, and goeth into battle.

³¹ And the king of Aram commanded the heads of the charioteers whom he hath -- thirty and two -- saying, `Ye do not fight with small or with great, but with the king of Israel by himself.'