The elder [of the church addresses this letter] to the elect (chosen) lady and her children, whom I love in truth—and not only I, but also all who know and understand the truth—

And this is love: that we walk in accordance with His commandments and are guided continually by His precepts. This is the commandment, just as you have heard from the beginning, that you should [always] walk in love.

If anyone comes to you and does not bring this teaching [but diminishes or adds to the doctrine of Christ], do not receive or welcome him into your house, and do not give him a greeting or any encouragement;