Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
21:17praesidioque ei fuit Abisai filius Sarviae et percussum Philistheum interfecit tunc iuraverunt viri David dicentes non egredieris nobiscum in bellum ne extinguas lucernam Israhel
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.