1 Clement

Ye see, dearly beloved, how great and marvelous a thing is love, and there is no declaring its perfection.

Ὁρᾶτε, ἀγαπητοι, πῶς μεγα καὶ θαυμαστόν ἐστιν ἡ ἀγάπη, καὶ τῆς τελειότητος αὐτῆς οὐκ ἔστιν ἐξήγησις.

Who is sufficient to be found therein, save those to whom God shall vouchsafe it? Let us therefore entreat and ask of His mercy, that we may be found blameless in love, standing apart from the factiousness of men. All the generations from Adam unto this day have passed away: but they that by God's grace were perfected in love dwell in the abode of the pious; and they shall be made manifest in the visitation of the Kingdom of God.