2 John 1:9

Whosoever transgresseth [π α ς ο π α ρ α β α ι ν ω ν]. The best texts read proagwn goeth onward. So Rev., with taketh the lead in margin. The meaning is, whosoever advances beyond the limits of Christian doctrine. Others explain of those who would set themselves up as teachers, or take the lead. Such false progress is contrasted with abiding in the teaching. On the construction, pav every one, with the article and participle, see on 1 John 3:3.

Abideth - in [μ ε ν ω ν ε ν]. See on 1 John 2:6.

Doctrine [δ ι δ α χ η]. Better, as Rev., teaching.

Of Christ. Not the teaching concerning Christ, but the teaching of Christ Himself and of His apostles. See Hebrews 2:3. So according to New Testament usage. See John 18:19; Acts 2:12; Revelation 2:14; Revelation 2:15. In the doctrine of Christ. Omit of Christ. Didach teaching, is used thus absolutely, Romans 16:17; Titus 1:9.