First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
18:8iratus est autem Saul nimis et displicuit in oculis eius iste sermo dixitque dederunt David decem milia et mihi dederunt mille quid ei superest nisi solum regnum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.