ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
ου (ὁ) :fils de l’éther (Borée).Étymologie: αἴθρα, γένος.
