1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
18:25And Saul said, Thus shall ye say to David: The king does not desire any dowry, but a hundred foreskins of the Philistines, to be avenged of the king's enemies. But Saul thought to make David fall by the hand of the Philistines.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.