Aristotle, Metaphysics, Book 8 54:

(아리스토텔레스, 형이상학, Book 8 54:)

ὅταν δή τισ ζητῇ τὸ αἴτιον, ἐπεὶ πλεοναχῶσ τὰ αἴτια λέγεται, πάσασ δεῖ λέγειν τὰσ ἐνδεχομένασ αἰτίασ. οἱο͂ν ἀνθρώπου τίσ αἰτία ὡσ ὕλη;