“ I was exceeding glad that I found of thy children walking in truth, as we have received a commandment from the Father.
1:5. And now I beseech thee, lady, not as writing a new commandment to thee, but that which we have had from the beginning, that we love one another.
1:6. And this is charity: That we walk according to his commandments. For this is the commandment that, as you have heard from the beginning, you should walk in the same:
1:7. For many seducers are gone out into the world who confess not that Jesus Christ is come in the flesh. This is a seducer and an antichrist. ”

“ This admonition is in general, to forewarn the faithful of the dangers which may arise from a familiarity with those who have prevaricated and gone from the true faith, and with such as teach false doctrine. But this is not forbidding a charity for all men, by which we ought to wish and pray for the eternal salvation of every one, even of our enemies. ”

“ He exhorts them to love one another. But with heretics to have no society, even not to salute them. Although this Epistle is written to a particular person, yet its instructions may serve as a lesson to others, especially to those who, from their connections, situation, or condition in life, are in danger of perversion. ”