Note 183 — Chapter I · SPECULATIVE PHILOSOPHY IN GREECE, BEFORE AND IN THE TIME OF SOKRATES.
Reading edition
Diogen. Ap. Fragm. ii. c. 29 Panzerb.; Theophrastus, De Sensu, s. 39.
εἰ γὰρ τὰ ἐν τῷδε τῷ κόσμῳ ἐόντα νῦν γῆ καὶ ὕδωρ καὶ τἄλλα, ὅσα φαινεται ἐν τῷδε τῷ κόσμῳ ἐόντα, εἰ τουτέων τι ἦν τὸ ἕτερον τοῦ ἑτέρου ἕτερον ἐὸν τῇ ἰδίῃ φύσει, καὶ μὴ τὸ αὐτὸ ἐὸν μετέπιπτε πολλαχῶς καὶ ἡτεροιοῦτο· οὐδαμῆ οὔτε μίσγεσθαι ἀλλήλοις ἠδύνατο οὔτε ὠφέλησις τῷ ἑτέρῳ οὔτε βλάβη, &c.
Aristotle approves this fundamental tenet of Diogenes, the conclusion that there must be one common Something out of which all things came — ἐξ ἑνὸς ἅπαντα (Gen. et Corrupt. i. 6-7, p. 322, a. 14), inferred from the fact that they acted upon each other.