Acts 15:27
We have therefore sent with them Judas and Silas, to tell you the same things also by word of mouth.
Acts 15:22
Then it seemed good to the apostles, and elders, and the whole church, to send men chose from among themselves to Antioch along with Paul and Barnabas; namely, Judas sirnamed Barsabas, and Silas; leading men among the brethren:
Acts 15:32
And Judas and Silas being prophets also themselves, exhorted and established: the brethren by many discourses.
2 John 1:12
Having many things to write unto you, I would not with paper and ink: but I hope to come unto you, and speak mouth to mouth, that our joy may be full.
3 John 1:13
I had many things to write: but I would not write to thee with pen and ink;