You shall be hid from the scourge of the tongue: neither shall you be afraid of destruction when it comes.
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Didymus the Blind
AD 398
Again Eliphaz says this about the one who has been rebuked by the Lord, whereby he follows his own principle. Not even what Eliphaz says is stringent. Too often many righteous people have been vilified. Among them are Joseph, whom the Egyptian woman charged with excess in spite of his modesty, and Susanna, who suffered as a hostage the humiliations from the “lawless elders.” Consequently, if he understands by “hidden from the scourge of the tongue” that one is neither humiliated nor vilified, this word is unfounded. It is more accurate to say that the one who lives after the will of God cannot be harmed by humiliation or vilification, called “scourge of the tongue.” Virtue protects him from being found guilty of the false allegations. Nor does such a person fear expected destruction, since he says with Saint Paul, “Who will separate us from the love of Christ? Will hardship, or distress, or persecution, or famine, or nakedness, or peril or sword?” Over all this he prevails through virt...
Scourge. Ecclesiasticus (xxvi. 9., and xxviii. 21.) has the same expression. See James iii. 6. (Calmet)
Calamity, from robbers, as the Hebrew shod, (Haydock) intimates. The word is rendered destruction, vastitate, ver. 22. (Menochius)
45. ‘The scourge of the tongue’ is the taunting of insults offered. They strike the righteous ‘with the scourge of the tongue,’ who pursue their deeds with mockery. For oftentimes the tongue, while it utters jibes, recalls from a good deed, and puts itself out like a scourge, in that it cuts the back of the cowardly soul. Which ‘scourge of the tongue,’ the Prophet had seen plotting against the elect soul, when He said, promising the aid that is above, Surely He shall deliver thee from the snare of the hunter, and from the rough word. [Ps. 91, 3. Vulg.] For ‘hunters’ seek nothing else than flesh, but we are ‘delivered from the snare of the hunters and from the rough word,’ when we overcome both the snare of carnal persons, and the reproaches of sneers, by setting them at nought. For their words are ‘rough,’ which are arrayed against our righteous ways. And to ‘escape the roughness of words,’ is to trample down the mockings of calumniators by shutting our eyes to them, the holy so...
He will hide you from the evil tongue, which knows how to persecute unjustly. In fact, they call “scourge” the malice and slander of the tongue. Moreover, you will end up in complete safety. - "Commentary on Job 5.19–21"