“For this reason the Sovereign Lord of Heaven’s Armies, will make his healthy ones emaciated. His majestic glory will go up in smoke.”
The prophet foretold the judgment against Assyria. The power of man would be destroyed. In a single night, God decimated the Assyrian army, Isa 37.36.
What we prize on earth can be lost in a moment. What in this world do you derive pride or pleasure from?