English Standard Version
I will execute great vengeance on them with wrathful rebukes. Then they will know that I am the LORD, when I lay my vengeance upon them."New International Version
I will carry out great vengeance on them and punish them in my wrath. Then they will know that I am the LORD, when I take vengeance on them.'"Catholic Public Domain Version
And I will execute great vengeance against them, reproving them in fury. And they shall know that I am the Lord, when I will send my vengeance upon them.