2 John 1:13: The children of thy elect sister greet thee. Amen.
Ancient secular letters often include an expression of desire to see the recipients of the letter — as we see here in John’s closing greeting — because a face-to-face visit was considered the last step to “completed joy” (joy that has reached its goal in creating fellowship with one another and God).
The cover of “The Complete Joy of Home Brewing”, which is about homebrewing beer (which has the ability to bring about “completed joy” to some), although I don’t think this is what John is aiming for
If the author is not simply speaking in the editorial “we,” then the plural refers to him and the community with him. This is what we see in this closing greeting by John, which implies that their joy, the Elder’s joy and the joy of the recipients — the rest of God’s people — will be completed.
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