Esias 10:13

13 For he said, I will act in strength, and in the wisdom of understanding I will remove the boundaries of nations, and will spoil their strength.

Esias 10:13 In-Context

11 For as I did to Samaria and her idols, so will I do also to Jerusalem and her idols.
12 And it shall come to pass, when the Lord shall have finished doing all things on Mount Sion and Jerusalem, I will visit upon the proud heart, upon the ruler of the Assyrians, and upon the boastful haughtiness of his eyes.
13 For he said, I will act in strength, and in the wisdom of understanding I will remove the boundaries of nations, and will spoil their strength.
14 And I will shake the inhabited cities: and I will take with my hand all the world as a nest: and I will even take them as eggs that have been left; and there is none that shall escape me, or contradict me.
15 Shall the axe glorify itself without him that hews with it? or shall the saw lift up itself without him that uses it, as if one should lift a rod or staff? but it shall not be so;

The Brenton translation of the Septuagint is in the public domain.