The fragments of Heraclitus - The G.W.T. Patrick translation (1889)
Plutarchus, de Superst. 3, p. 166: ὁ Ἡράκλειτός φησι, τοῖς ἐγρηγορόσιν ἕνα καὶ κοινὸν κόσμον εἶναι, τῶν δὲ κοιμωμένων ἕκαστον εἰς ἴδιον ἀποστρέφεσθαι.
Plutarch, de Superst. 3, p. 166: Heraclitus says: To those who are awake, there is one world in common, but of those who are asleep, each is withdrawn to a private world of his own.