He that shall consider, after so much stir about genus and species, and such a deal of talk of specific differences, how few words we have yet settled definitions of, may with reason imagine, that those FORMS which there hath been so much noise made about are only chimeras, which give us no light into the specific natures of things.
Genero eta espezieei buruzko hainbeste iskanbilaren eta diferentzia espezifikoari buruzko hainbeste ika-mikaren ondoren definizio finkatuarekin zein hitz gutxi ditugun kontuan hartzen duenak arrazoiz pentsatu ahal izanen du euren inguruan hainbeste iskanbila atera duten forma horiek ameskeriak besterik ez direla, gauzen izaera espezifikoari buruz argitasunik eskaintzen ez digutenak.