2 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
5:19And David enquired of the LORD, saying, Shall I go up to the Philistines? wilt thou deliver them into mine hand? And the LORD said unto David, Go up: for I will doubtless deliver the Philistines into thine hand.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.