For it is in this way that people call the elements of natural objects also their nature, some naming fire, others earth, others air, others water, others something else of the sort, and some naming more than one of these, and others all of them.-(5) 'Nature' means the essence of natural objects, as with those who say the nature is the primary mode of composition, or as Empedocles says: -
batzuek sua, beste batzuek lurra, hauek airea, beste horiek ura, zenbaitek honelako beste zerbait, 35) batzuek hauetako baten bat eta beste batzuek, berriz, hauek denak. Honez gain, natura esaten zaio beste zentzu batean naturaz diren gauzen substantziari;