Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
21:17And Abisai the son of Sarvia rescued him, and striking the Philistine killed him. Then David's men swore unto him saying: Thou shalt go no more out with us to battle, lest thou put out the lamp of Israel.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.