NET

18 I testify to everyone who hears the words of the prophecy contained in this book: If anyone adds to them, God will add to him the plagues described in this book.

Darby

18 *I* testify to every one who hears the words of the prophecy of this book, If any one shall add to these things, God shall add to him the plagues which are written in this book.

KJV

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:

Strong's

18 For ^G1063 I testify^G4828 unto every man^G3956 that heareth^G191 the words^G3056 of the prophecy^G4394 of this^G5127 book^G975, If^G1437 any man^G5100 shall add^G2007 unto^G4314 these things^G5023, God^G2316 shall add^G2007 unto^G1909 him^G846 the plagues^G4127 that are written^G1125 in^G1722 this^G5129 book^G975: