The future defeat of the king of Assyria (Isa 10:12-10:12)

“When Yahweh

Has finished

All his work

On Mount Zion,

In Jerusalem,

He will punish

The arrogant boasting

Of the king of Assyria

With his haughty pride.”

Isaiah proclaims that Yahweh would punish the king of Assyria for his arrogant prideful boasting. However, Yahweh still had some work to do at Mount Zion in Jerusalem. When he finished that, he would take care of things.