by Peter D “ποταμοῖσι τοῖσιν αὐτοῖσιν ἐμϐαίνουσιν, ἕτερα καὶ ἕτερα ὕδατα ἐπιρρεῖ” Heraclitus, the pre-Socratic Greek philosopher, said that change alone is unchanging. Roughly, his quote above translates to: “You cannot step into the same river twice, for fresh waters are ever flowing in upon you”. But even if this is quite an old idea, […]