Cyril of Jerusalem

Though the enemy is unseen, we have our faith as a strong protection, according to the saying of the apostle: "In all things taking up the shield of faith, with which you may be able to quench all the fiery darts of the most wicked one." Oftentimes a fiery dart of desire of base indulgence is discharged by the devil; but faith, representing to us the Judgment and cooling the mind, extinguishes the dart.

Catechetical Lecture 5:4 ↗

Augustine of Hippo

"For, lo, sinners have bent the bow, they have prepared their arrows in the quiver, that they may in the obscure moon shoot at the upright in heart" [Psalm 11:2]. These be the terrors of those who threaten us as touching sinners, that we may pass over to them as the righteous. "Lo," they say, "the sinners have bent the bow:" the Scriptures, I suppose, by carnal interpretation of which they emit envenomed sentences from them. …

Exposition on Psalm 11 ↗

Jerome

For behold, the sinners have bent the bow, they have prepared their arrows in the quiver, that they may shoot in the dark the upright of heart. For which it is written in the Hebrew, "For behold, the impious have bent the bow, they have set the arrow upon the string, that they may strike in the dark the upright of heart." Therefore, he says, you wish me to migrate to the mountains, because the sinners, or the impious, burning, have prepared arrows, which must be repelled with the shield of faith. …

Homily 60, on Psalm 10 (Alternate Series) ↗