Gregory the Dialogist

Will not the small number of my days be finished in a short time? He shews himself to live with good heed and circumspection, who, in considering the shortness of the present life does not look to the furtherance but to the ending of it, so as to gather from the end, that all is nought that delights while it is passing. …

Morals on the Book of Job, Book IX ↗

Thomas Aquinas

There is no one who delights in the torments of another who is so cruel that he would give him at least a brief respite from afflicting him. So even if one supposes that God were not the cause of the birth of man, the man's days are still short, especially in comparison to the eternity of God. Man expects even that brief time will be ended quickly when he has already passed a great part of his life. …

Commentary on Job ↗