because of the truth which lives in our hearts and will be with us forever:

Grace, mercy, and peace (inner calm, a sense of spiritual well-being) will be with us, from God the Father and from Jesus Christ, the Father’s Son, in truth and love.

For many deceivers [heretics, posing as Christians] have gone out into the world, those who do not acknowledge and confess the coming of Jesus Christ in the flesh (bodily form). This [person, the kind who does this] is the deceiver and the antichrist [that is, the antagonist of Christ].