the sail was hoisted, the wind blew into the middle of it, the sheets grew taut… Near the top of the sail a vine suddenly sprouted forth, and the grapes hung down in great number.
Kerenyi presents the sail as the locus of Dionysian epiphany, where divine power materializes upon the very instrument of mortal navigation, inverting the sail’s practical function into a sign of numinous transformation.
, The Gods of the Greeks, 1951thesis