This is the same disciple who offers testimony about these things, and who has written these things. And we know that his testimony is true
Other versions
King James Version
This is the disciple which testifieth of these things, and wrote these things: and we know that his testimony is true.English Standard Version
This is the disciple who is bearing witness about these things, and who has written these things, and we know that his testimony is true.New International Version
This is the disciple who testifies to these things and who wrote them down. We know that his testimony is true.