Gregory the Dialogist

ALLEGORICAL INTERPRETATION. And there were born to him seven sons and three daughters. What is conveyed to us in the number of seven, saving the sum of perfection? for to say nothing of the arguments of human reasoning which maintain that it is therefore perfect, because it consists of the first even number, and of the first uneven; of the first that is capable of division, and of the first which is incapable of it; we know most certainly that holy Scripture is wont to put the number seven for perfection, whence also it tells us that …

Morals on the Book of Job, Book I ↗

Thomas Aquinas

When both the person and the virtue of this man have been described then his prosperity is shown so that the adversity which follows may be judged to be more grave because of the prosperity which precedes it. At the same time, this also demonstrates that not only spiritual goods but also temporal goods are given to the just from God's first intention. But the fact that the just are sometimes afflicted with adversities happens for some special reason. …

Commentary on Job ↗