3 John 1:2-4
At the beginning of Greco-Roman letters, after the greeting the writer established his or her relationship with the readers. Most of the time this had a wish for the good health of the readers, as well as compliments about the readers’ character or behavior. Writers would also include a prayer that everything would go well for the reader, both materially and spiritually. This greeting is similar to saying “I hope you are well” today. John is praying that all is well with Gaius (see note on 1 Thess. 3:11).