DA gre, ed. W.D.Ross, 402aδοκεῖ δὲ καὶ πρός ἀλήθειαν ἅπασαν ἡ γνῶσις αὐτῆς μεγάλα συμβάλλεσθαι, μάλιστα δὲ πρὸς τὴν φύσιν· ἔστι γὰρ οἷον ἀρχὴ τῶν ζῴων.
DA ara, ed. Badawiوذلك أن المعرفة بها قد توافق كل حق، لا سيما العلم بالفرع . وذلك أنها كأولية للحيوان
DA eng, tr. J.A.SmithThe knowledge of the soul admittedly contributes greatly to the advance of truth in general, and, above all, to our understanding of Nature, for the soul is in some sense the principle of animal life.
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