Since his days are determined and the number of his months is with You, and since You have set limits that he cannot exceed,
We are here led to think, I. Of the original of human life. God is indeed its great original, for he breathed into man the breath of life and in him we live; but we date it from our birth, and thence we must date both its frailty and its pollution. 1. Its frailty: Man, that is born of a woman, is therefore of few days, Job 14:1.
Commenting on Job 14:1-6
Seeing his days are determined,.... Or "cut out" (i), exactly and precisely, how many he shall live, and what shall befall him every day of his life; whose life, because of the shortness of it, is rather measured by days than vents: the number of his months are with thee; before him, in his sight, in his account, and fixed and settled by him: thou...
determined-- (Job 7:1; Isa 10:23; Dan 9:27; Dan 11:36).