2. μνησθῆναι κ.τ.λ. He is specially anxious to hold his readers fast to their first beliefs in view of the new false teaching.
ἁγίων προφητῶν as in the Benedictus, Luk 1:70.
καὶ τῆς τῶν ἀποστόλων ὑμῶν ἐντολῆς τ. κυρ. κ. σωτῆρος. The array of genitives has its awkwardness, but is not obscure.
τῶν ἀποστόλων ὑμῶν: ἡμῶν (a very natural alteration) is read by some cursives, but no uncials. “The preachers who evangelized you,” not necessarily the Twelve, may be meant; but this is one of the phrases which suggest that the Epistle belongs to the sub-apostolic age.