2 John 1:5-7

5 And now I beseech thee, lady, not as writing to thee a new commandment, but that which we have had from [the] beginning, that we should love one another.

6 And this is love, that we should walk according to his commandments. This is the commandment, according as ye have heard from the beginning, that ye might walk in it.

7 For many deceivers have gone out into the world, they who do not confess Jesus Christ coming in flesh -- this is the deceiver and the antichrist.