Jeremiah 51:63
And it shall be, when you hast made an end of reading this book, you shall bind a stone to it, and cast it into the midst of Euphrates:
ā The Restored Word Bible
Context
61 And Jeremiah said to Seraiah, When you comest to Babylon, and shall see, and shall read all these words;
62 Then shall you say, O Yahuah, you hast spoken against this place, to cut it off, that none shall remain in it, neither man nor beast, but that it shall be desolate for ever.
63 And it shall be, when you hast made an end of reading this book, you shall bind a stone to it, and cast it into the midst of Euphrates:
64 And you shall say, Thus shall Babylon sink, and shall not rise from the evil that I will bring upon her: and they shall be weary. Thus far the words of Jeremiah.