2 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
18:23`And, now, give a pledge for thee, I pray thee, to my lord the king of Asshur, and I give to thee two thousand horses, if thou art able to give for thee riders on them.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.