Plato, Epinomis 992d

δὲ τούτοις ὅσα μαθήματος ἔχεται μακαρίου πάντα εἰληφότες —ἃ δʼ ἔστιν εἰρήκαμεν—τούτοισιν μόνοις τὰ τοῦ δαιμονίου σύμπαντα ἱκανῶς εἴληχέ τε καὶ ἔχει. τοῖς μὲν οὖν ταῦτα οὕτω διαπονήσασιν ἰδίᾳ λέγομεν καὶ δημοσίᾳ κατὰ νόμον τίθεμεν, εἰς πρεσβύτου τέλος ἀφικομένοις τὰς μεγίστας ἀρχὰς παραδίδοσθαι δεῖν, τοὺς δʼ ἄλλους τούτοις συνεπομένους εὐφημεῖν πάντας θεοὺς ἅμα καὶ πάσας, καὶ τὸν νυκτερινὸν σύλλογον ἐπὶ ταύτην τὴν σοφίαν ἱκανῶς γνόντας

and have acquired besides all that pertains to blessed study—and this we have explained—are the only persons by whom all the spiritual gifts are fully obtained and held. Those then who have thus worked through all these tasks we speak of privately, and publicly establish by law, as the men to whom, when they have attained the fullness of seniority, the highest offices should be entrusted, while the rest should follow their lead, giving praise to all gods and goddesses; and we should most rightly invite the Nocturnal Council to this wisdom, when we have duly distinguished and approved