Cross reference
Acts 15:27
27 We have sent therefore Judas and Silas, who shall also tell you the same things by mouth.
Acts 15:22
22 Then pleased it the apostles and elders with the whole church, to send chosen men of their own company to Antioch with Paul and Barnabas; namely, Judas surnamed Barsabas and Silas, chief men among the brethren:
Acts 15:32
32 And Judas and Silas, being prophets also themselves, exhorted the brethren with many words, and confirmed them.
2 John 1:12
12 Having many things to write unto you, I would not write with paper and ink: but I trust to come unto you, and speak face to face, that our joy may be full.
3 John 1:13
13 I had many things to write, but I will not with ink and pen write unto thee: