Note 640 — Lecture X. THE INFLUENCE OF THE MYSTERIES UPON CHRISTIAN USAGES.
Reading edition
ἃ οὐδὲ ἐποπτεύειν ἔξεστι τοῖς ἀμυήτοις, de Spir. Sanct. 27; cf. Orig. c. Cels. 3. 59 ad fin. and 60, e.g. “then and not before do we invite them to participation in our mysteries,” and “initiating those already purified into the sacred mysteries.” Cf. Dict. Christian Antiquities, s. v. Disciplina Arcani.