New International Version
18 I warn everyone who hears the words of the prophecy of this scroll:(A) If anyone adds anything to them,(B) God will add to that person the plagues described in this scroll.(C) 19 And if anyone takes words away(D) from this scroll of prophecy,(E) God will take away from that person any share in the tree of life(F) and in the Holy City, which are described in this scroll.
King James Version
18 For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:
19 And if any man shall take away from the words of the book of this prophecy, God shall take away his part out of the book of life, and out of the holy city, and from the things which are written in this book.Read full chapter