2 Samuel 3:27-29 New Revised Standard Version, Anglicised (NRSVA)
27 When Abner returned to Hebron, Joab took him aside in the gateway to speak with him privately, and there he stabbed him in the stomach. So he died for shedding[a] the blood of Asahel, Joab’s[b] brother. 28 Afterwards, when David heard of it, he said, ‘I and my kingdom are for ever guiltless before the Lord for the blood of Abner son of Ner. 29 May the guilt[c] fall on the head of Joab, and on all his father’s house; and may the house of Joab never be without one who has a discharge, or who is leprous,[d] or who holds a spindle, or who falls by the sword, or who lacks food!’
2 Samuel 3:27-29 New International Version (NIV)
27 Now when Abner returned to Hebron, Joab took him aside into an inner chamber, as if to speak with him privately. And there, to avenge the blood of his brother Asahel, Joab stabbed him in the stomach, and he died.
28 Later, when David heard about this, he said, “I and my kingdom are forever innocent before the Lord concerning the blood of Abner son of Ner. 29 May his blood fall on the head of Joab and on his whole family! May Joab’s family never be without someone who has a running sore or leprosy[a] or who leans on a crutch or who falls by the sword or who lacks food.”