But Amasa did not observe the sword which was in Joab's hand; so Joab struck him with it in the body, and shed his bowels to the ground, without striking a second blow; and he died. Then Joab and Abishai his brother pursued Sheba the son of Bichri.
Then said Abishai to David, “God has given your enemy into your hand this day; now therefore let me pin him to the earth with one stroke of the spear, and I will not strike him twice.”