First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
17:37et ait David Dominus qui eruit me de manu leonis et de manu ursi ipse liberabit me de manu Philisthei huius dixit autem Saul ad David vade et Dominus tecum sit
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.