The man who saw this has now given his testimony about it, and what he has to say is true. He knows that he’s telling the truth, and he’s giving his testimony so that you too may believe.
Demetrius has a good reputation with everyone, and even with the truth itself. We can also vouch for him personally, and you know you can trust our word.
This is the one who came by water and blood—Jesus Christ. He didn’t come by water only, but by water and blood. The Spirit is a truthful witness about this, because the Spirit is the truth.