Your arrows are sharp in the heart of the king's enemies; by which the people fall under you.
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Augustine of Hippo
14. "Thine arrows are sharp, are most powerful" (ver. 5); words that pierce the heart, that kindle love. Whence in the Song of Songs it is said, "I am wounded with love." For she speaks of being "wounded with love;" that is, of being in love, of being inflamed with passion, of sighing for the Bridegroom, from whom she received the arrow of the Word. "Thine arrows are sharp, are most powerful;" both piercing, and effective; "sharp, most powerful." "The peoples shall fall under Thee." Who have "fallen"? They who were "wounded" have also "fallen." We see the nations subdued unto Christ; we do not see them "fall." He explains where they "fall," viz. "in the heart." It was there they lifted themselves up against Christ, there they "fall" down before Christ. Saul was a blasphemer of Christ: he was then lifted up, he prays to Christ, "he is fallen," he is prostrate before Him: the enemy of Christ is slain, that the disciple of Christ may live! By an arrow launched from heaven, Saul (not as ye...
Fall. This seems to be placed too soon, in order to show the rapidity of the conquest. (Calmet)
"Thy arrows are sharp, shot into the hearts "(Haydock)
Some explain in corde, (as the Hebrew, Septuagint, read) of the voluntary submission of those who had formerly been enemies of the Messias. (St. Chrysostom)
"Thy sharp arrows, the people subject to thee, shall fall into "
Men are sometimes represented as arrows, Isaias xlix. 2. (Berthier) ...