Archelaus, Ante-Nicene Fathers Vol. VI, A Fragment of the Same Disputation… (1885)
“ For the illumination of the glory is for those who have been enlightened, while the blinding is for them who believe not. These mysteries, which the Church now declares to you who are transferred from the lists of the catechumens, it is not her custom to declare to the Gentiles. For we do not declare the mysteries touching the Father, and the Son, and the Holy Spirit to a Gentile; neither do we speak of the mysteries plainly in presence of the catechumens ”
