Passage
Plato, Symposium 190 (DIORISIS sentence 311)
grc plato symposium
ἦν οὖν τὴν ἰσχὺν δεινὰ καὶ τὴν ῥώμην, καὶ τὰ φρονήματα μεγάλα εἶχον, ἐπεχείρησαν δὲ τοῖς θεοῖς, καὶ ὃ λέγει Ὅμηρος περὶ Ἐφιάλτου τε καὶ Ὤτου, περὶ ἐκείνων λέγεται, τὸ εἰς τὸν οὐρανὸν ἀνάβασιν ἐπιχειρεῖν ποιεῖν, ὡς ἐπιθησομένων τοῖς θεοῖς.