If any one comes to you and does not bring this doctrine, do not receive him into the house or give him any greeting;

εἴ τις ἔρχεται πρὸς ὑμᾶς καὶ ταύτην τὴν διδαχὴν οὐ φέρει, μὴ λαμβάνετε αὐτὸν εἰς οἰκίαν καὶ χαίρειν αὐτῷ μὴ λέγετε·

Later Commentaries

George Leo Haydock (1774-1849)

Haydock Catholic Bible Commentary: 2 John

Nor say to him, Hail; or peace be to you, God speed you, all hail; or use any form of saluting him, as you would a friend, much less receive or entertain him in your house: this admonition is in general to forewarn persons of the dangers which may arise from a familiarity with heretics, and such as teach evil doctrine. But by this is not forbidden civility, kindness, and a sincere charity for all men, by which we ought to wish and pray for the eternal salvation of every one. I translate Ave by peace be to you, because this was the usual salutation among the Jews, and in those times, as we see Luke xxiv. and John xx.