"πάντα χωρεῖ καὶ οὐδὲν μένει" καὶ "δὶς ἐς τὸν αὐτὸν ποταμὸν οὐκ ἂν ἐμβαίης"
- Ηράκλειτος
("Everything changes and nothing remains still ... and ... you cannot step twice into the same stream") – Heraclitus
- Ηράκλειτος
("Everything changes and nothing remains still ... and ... you cannot step twice into the same stream") – Heraclitus