John 21:24
This is the disciple who is testifying to these things and has written them down. We know that his testimony is true.
John 19:35
The one who saw this has testified, and his testimony is true. He knows he is telling the truth so that you, too, may believe,
3 John 1:12
Demetrius has received a good report from everyone, including the truth itself. We, too, can testify to this report, and you know that our testimony is true.
John 15:27
You will testify also, because you have been with me from the beginning.
1 John 1:1-2
What existed from the beginning, what we have heard, what we have seen with our eyes, what we observed and touched with our own hands this is the Word of life!
1 John 5:6
This man, Jesus the Messiah, is the one who came by water and blood not with water only, but with water and with blood. The Spirit is the one who verifies this, because the Spirit is the truth.