τοῦτο δέ ἐστιν, συμπαρακληθῆναι ἐν ὑμῖν διὰ τῆς ἐν ἀλλήλοις πίστεως ὑμῶν τε καὶ ἐμοῦ.
That is, that I may be comforted together with you by the mutual faith both of you and me.
es decir, para que unos a otros nos animemos con la fe que compartimos.
