In these grades we already recognised the Platonic Ideas, for the grades are just the determined species, or the original unchanging forms and qualities of all natural bodies, both organised and unorganised, and also the general forces which reveal themselves according to natural laws.
Maila horietan berrezagutu ditugu hor Platonen ideiak, maila horiek, espezie determinatuak edo gorputz natural guztien, nola organikoen hala inorganikoen, forma eta propietate jatorrizko ez aldakorrak, baita natur legeen arabera agerian jartzen diren indar orokorrak direla.