but even though we do find as a fact a thick coat of hair associated with northerly latitudes, the structure of a fish with water, or that of birds with air, there is nothing in the notion of the north implying the notion of a thick covering of hair, the notion of the structure of fish does not lie in the notion of the sea, nor that of birds in that of the air.
baina nahiz eta azal iletsua iparraldeari lotu, edo arrainen egitura urari, txorien egitura aireari, iparraldearen adigaian ez datza iletsu izatearen adigaia, itsasoren adigaian ez dago arrainen egiturarena, airearen adigaian ez dago txorien egiturarena.