16 “If the Lord,” he says, “had not helped me: within a little my soul had dwelt in hell”. I had almost plunged into that pit which is preparing for sinners: that is, my soul had dwelt in hell. Because he already began to waver, and nearly to consent, he looked back unto the Lord. Suppose, for example's sake, he was insulted to tempt him to iniquity. For sometimes the wicked flock together, and insult the good; especially if they are more in number, and if they have taken him alone, as there is often much chaff about one grain of wheat (though there will not be when the heap has been fanned); he is then taken among many wicked ones, is insulted, and surrounded; they wish to place themselves over him, they torment him and insult him for his very righteousness. A great Apostle! say they; You have flown into heaven, as Elias did! Men do these things, so that sometime, when he listens to the tongue of men, he is ashamed to be good among the wicked. Let him therefore resist the evil; but not of his own strength, lest he become proud, and when he wishes to escape the proud, himself increase their number....
Source: The Enarrations, or Expositions, on the Psalms (New Advent)