Jerome

Behold, those who see will cry out: The angels of peace will weep bitterly. The roads are abandoned, the passer-by has ceased on the path, the pact has become void, cities have been thrown down, men have not been regarded. The land has mourned and languished, Lebanon is confused and darkened, Sharon has become like a desert, and Bashan and Carmel have been shaken. Now I will arise, says the Lord: now I will be exalted, now I will be lifted up. …

Commentary on Isaiah ↗

Bede

But if you want to see that the ancient prophets were terribly sad and aggrieved about the future blinding of their nation, which was the cause of our illumination, listen to Isaiah, for when he was sent to announce beforehand the grace of the Lord's coming, saying that "a light has arisen upon those who dwell in the region of the shadow of death," he responded immediately to the advent of the same light, saying "you have enlarged the nation; you have not increased its joy." And elsewhere, while commemorating the despondency of this …

Commentary on Samuel 3:16.1 ↗

Thomas Aquinas

720. Behold they that see shall cry. Here he sets out the punishment which Assyria inflicted on others. And first, he describes the punishment inflicted by them as to the disturbance of men: they that see the magnitude of the army shall cry without, they who live in the suburbs, angels of peace, envoys of Ezechias to Rabsaces, below (Isa 36:3). Behold the voice of the daughter of my people from a far country (Jer 8:19).

Commentary on Isaiah ↗