Page:Aristotelous peri psuxes.djvu/187

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PRELUDE TO CHAP. C.
177

mind (διάνοια πρακτική) is the sentient faculty, and the beginning of the action, which is the satisfaction of the appetite, completes or is the last of the series. Thus, these two, the appetite and practical thought (which is sentient perception) are motors, as being both stimulus and desire, and the object desired (food, that is), acting upon the sentient perception, urges to locomotion for the attainment of it; the imagination, as an instinctive power, is said never to impel to move, save for the satisfaction of necessary wants.




Chapter X.

Those two faculties, the appetite and the mind, appear to be the motor principles in animals—the mind, if the imagination might be set down as being a kind of thought; for many against knowledge follow their imaginings, and other animals are moved neither by thought nor calculation, but by imagination. Thus, those two faculties, mind and appetite, are locomotive powers; but, then, it is mind in the sense of a calculating and a practical faculty, and which differs from the speculative mind by the object to which it tends.