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.
A leader must also have a good reputation among those who are outside the church. If it turns out that he’s done a lot of wrong things, he’ll be embarrassed, and the devil will be able to ruin his work.
The men answered, “We’ve come from Cornelius, a Roman commander. He’s a good man who worships God. All the Jewish people respect him. A holy angel told him to invite you to his house so he could hear what you have to say.”
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.