Psalms 127:5

5.They shall not be ashamed when they speak with their enemies in the gate. Here Solomon describes such children as, distinguished by uprightness and integrity, have no hesitation in rendering an account of their life, that they may shut the mouths of the malevolent and of calumniators. In ancient times, as is well known, judicial assemblies (104) were held at the gates of cities. He therefore here speaks of the gate, as if in the present day one should speak of the bench, or the courts, or the senate. Let it be observed that what is chiefly praised in children is innocence, that fathers may estimate this grace at its true value. In the preceding clause he had compared children endued with virtue and excellence of nature to arrows. Now, that no man may put a violent construction upon this comparison, as if it were intended to give children leave, like robbers, to rush upon doing mischief to such as come in their way, reckless of right and wrong, he expressly represents virtue and moral integrity as constituting the protection which they ought to afford to their fathers. He teaches us, then, that the children which we ought to wish for, are not such as may violently oppress the wretched and suffering, or overreach others by craft and deceit, or accumulate great riches by unlawful means, or acquire for themselves tyrannical authority, but such as will practice uprightness, and be willing to live in obedience to the laws, and prepared to render an account of their life. Farther, although fathers ought diligently to form their children under a system of holy discipline, yet let them remember that they will never succeed in attaining the object aimed at, save by the pure and special grace of God. Solomon also tacitly intimates that however zealously we may be devoted to the practice of integrity, we shall never be without detractors and slanderers; for if integrity of life were exempt from all calumny, we would have no quarrel with our enemies.