there are also several combinations of them made in a very regular and artificial manner, which seem like so many instruments in the hand of nature that, being hid as it were behind the scenes, have a secret operation in producing those appearances which are seen on the theatre of the world, being themselves discernible only to the curious eye of the philosopher.
euren arteko hainbat konbinapen ere badira, modu oso erregular eta artifiziosoan sortuak, Naturaren eskuan dauden beste hainbeste tresna diruditenak, zeintzuek, nahiz eta gordeta egon eskenategiaren atzealdean baleude bezala, eragin berezia duten munduko teatroan ikusten diren agerkizunetan, filosofoaren begi ikusberak bakarrik bereiz ditzakeelarik.