2 Samuel 2:20-22

20Then Abner looked behind him and asked, “Is it you, Asahel?” “It is I,” he answered.

21So Abner said to him, “Turn away to your right or to your left, seize one of the young men and take his armor for yourself.” But Asahel would not turn away from following him.

22Once again Abner warned Asahel, “Turn away from pursuing me! Why should I strike you to the ground? How would I ever look your brother Joab in the face?”