THEOSISCyrill of Alexandria
Just as the vision of horses and the sight of horsemen, so will they appear: like the clamor of chariots racing across the peaks and as the sound of flames consuming the reeds, like countless strong warriors who remain silent in battle. Swarms of locusts and grasshoppers, when they invade lands and cities, are no less formidable than a fearsome cavalry. They move so swiftly upon the ground that it can be said their noise mimics that of chariots; they ascend every mountain crest, descend upon every hill, and resemble the crackling of fires that burn the dry grasses. Indeed, it is noted that their assault on the fields is far from quiet; as they gnash their jaws on their prey, they produce a deafening noise akin to a wind igniting flames.
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To liken them to a multitude of foes would not be strange: they surge forth, immense in number and unyielding, resembling valiant fighters because they are a ravenous creation, overwhelming in their sheer numbers, posing a challenge that seems insurmountable. This description equally fits the Assyrians, and it would not be unfitting to apply it to the Roman legions themselves, who, like locusts, devastated Israel, which had strayed from Christ.