Thomas Aquinas

Satan shows that Job has attained temporal prosperity in two ways. First, as to his immunity from evils, because he has been preserved by God from all adversity and this is what he says, "Have you not fortified with a wall?" that is, have you not protected him like a hedge or wall protects, and "him" as to his person, "his house" as to his family and children; "all that he has," as to all his possessions. …

Commentary on Job ↗