First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
18:10post diem autem alteram invasit spiritus Dei malus Saul et prophetabat in medio domus suae David autem psallebat manu sua sicut per singulos dies tenebatque Saul lanceam
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.