The just man walketh in his integrity. It is better to connect the two clauses together, and not to take the first as a separate sentence, thus: "He who as a just man walketh in his integrity"—Blessed are his children after him (comp.
Proverbs 14:26). So the Septuagint and Vulgate. The man of pure life, who religiously performs his duty towards God and man, shall bring a blessing on his children who follow his good example, both during his life and after his death.
The temporal promise is seen in Exodus 20:6; Deuteronomy 4:40; Psalms 112:2, etc. Some see here an instance of utilitarianism; but it cannot be supposed that the writer inculcates virtue for the sake of the worldly advantages connected with it; rather he speaks from experience, and from a faithful dependence on Providence, of the happy results of a holy life.