1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
17:51Therefore David ran, and stood upon the Philistine, and took his sword, and drew it out of the sheath thereof, and slew him, and cut off his head therewith. And when the Philistines saw their champion was dead, they fled.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.