But Joab and Abishai [his brothers] pursued Abner; the sun was going down as they came to the hill of Ammah, before Giah on the way to the wilderness of Gibeon.
Then Abner called to Joab, Shall the sword devour forever? Do you not know that bitterness will be the result? How long will it be then before you bid the people to stop pursuing their brethren?