For many deceivers— "I exhort you to walk in the truth, and keep the commandment which you have had from the beginning, because many deceivers are gone out into the world, who, by their novel doctrine, pervert the truth, and render the old commandment of none effect, &c." All the sentiments and phrases in this verse are found in the first epistle.
Related Commentaries of 2 John 1:7
2 John 1:7
7 For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.