The two phrases come from the Diels-Kranz fragment B89 of Heraclitus: ὁ Ἡράκλειτός φησι τοῖς ἐγρηγορόσιν ἕνα καὶ κοινὸν κόσμον εἶναι τῶν δὲ κοιμωμένων ἕκαστον εἰς ἴδιον ἀποστρέφεσθαι ("Heraclitus said that the waking have one common world, but the sleeping turn aside each into a world of his own.")
Dua ungkapan ini berasal dari fragmen Diels-Kranz B89 dari Heraclitus: ὁ Ἡράκλειτός φησι τοῖς ἐγρηγορόσιν ἕνα καὶ κοινὸν κόσμον εἶναι τῶν δὲ κοιμωμένων ἕκαστον εἰς ἴδιον ἀποστρέφεσθαι ("Heraclitus mengatakan bahwa ketika terjaga memiliki satu dunia yang sama, namun tidur menyisihkan masing-masing ke dunianya sendiri.")