Jeremiah 25:12 KJV
And it shall come to pass, when seventy years are accomplished, that I will punish the king of Babylon, and that nation, saith the Lord, for their iniquity, and the land of the Chaldeans, and will make it perpetual desolations.
Jeremiah 25:12, King James Version
In context
11 And this whole land shall be a desolation, and an astonishment; and these nations shall serve the king of Babylon seventy years.
12 And it shall come to pass, when seventy years are accomplished, that I will punish the king of Babylon, and that nation, saith the Lord, for their iniquity, and the land of the Chaldeans, and will make it perpetual desolations.
13 And I will bring upon that land all my words which I have pronounced against it, even all that is written in this book, which Jeremiah hath prophesied against all the nations.