John 21:24
It is this disciple who bears testimony to these facts and who recorded them; and we know that his testimony is true.
John 19:35
And he who saw it has borne testimony, and his testimony is trustworthy, and he knows that he is telling the truth in order that you may believe.
3 John 1:12
All men bear testimony to Demetrius, and so does the truth itself. I also bear testimony to him; and you know that my testimony is true.
John 15:27
"and you to shall bear witness because you have been with me from the first.
1 John 1:1-2
It is of what has existed from the beginning, of what we have listened to, of what we have seen with our own eyes, of what we have witnessed and touched with our own heads, it is concerning the Logos of Life that we are now writing.
1 John 5:6
Jesus Christ is he who came by water and blood, not by the water only, but by the water and by the blood. The spirit is he who bears testimony, because the Spirit is the truth.