Isaiah 10:12 in the World English Bible
Therefore it will happen that when the Lord has performed his whole work on Mount Zion and on Jerusalem, I will punish the fruit of the willful proud heart of the king of Assyria, and the insolence of his arrogant looks.
Context
11 Shall I not, as I have done unto Samaria and her idols, so do to Jerusalem and her idols?
12 Wherefore it shall come to pass, that when the Lord hath performed his whole work upon mount Zion and on Jerusalem, I will punish the fruit of the stout heart of the king of Assyria, and the glory of his high looks.
13 For he saith, By the strength of my hand I have done it, and by my wisdom; for I am prudent: and I have removed the bounds of the people, and have robbed their treasures, and I have put down the inhabitants like a valiant man: