Revelation 22:18-19
Read this passage and open each verse for the full verse feed and commentary tools.
18I testify to everyone who hears the words of the prophecy of this book: if anyone adds to them, God will add to him the plagues that are written in this book; 19and if anyone takes away from the words of the book of this prophecy, God will take away his part from the tree of life and from the holy city, which are written in this book.