Jezekiel 25:17

17 And I will execute great vengeance upon them; and they shall know that I am the Lord, when I have brought my vengeance upon them.

Jezekiel 25:17 In-Context

15 Therefore thus saith the Lord, Because the Philistines have wrought revengefully, and raised up vengeance rejoicing from their heart to destroy to a man;
16 therefore thus saith the Lord; Behold, I stretch out my hand upon the Philistines, and will utterly destroy the Cretans, and will cut off the remnant that dwell by the sea-coast.
17 And I will execute great vengeance upon them; and they shall know that I am the Lord, when I have brought my vengeance upon them.

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