Commentaries
1:12,13 The apostle refers many things to a personal meeting. Pen and ink were means of strengthening and comforting others; but to see each other is more so. The communion of saints should be maintained by all methods; and should tend to mutual joy. In communion with them we find much of our present joy, and look forward to happiness for ever.
13. Alford confesses that the non-mention of the "lady" herself here seems rather to favor the hypothesis that a Church is meant.