21. The argument of the friends, in proof of Job 21:20, What pleasure can he have from his house (children) when he is dead—("after him," Ec 3:22).
when the number, &c.—Or, rather, "What hath he to do with his children?" &c. (so the Hebrew in Ec 3:1; 8:6). It is therefore necessary that "his eyes should see his and their destruction" (see Job 14:21).
cut off—rather, when the number of his allotted months is fulfilled (Job 14:5). From an Arabic word, "arrow," which was used to draw lots with. Hence "arrow"—inevitable destiny [Umbreit].