Τὰ πάντα ῥεῖ καὶ οὐδὲν μένει → Everything flows and nothing stands still
subs. P. and V. ἀπορία, ἡ. Impossibilities: P. and V. ἄπορα, τά, ἀδύνατα, τά, ἀμήχανα, τά (rare P.).
