ABSTRACT
Againstthisreasoning,he-Democritus-imaginedthesensestospeak thus:
Poorintellect!Youtakeyourcredentialsfromusandwantourdownfall? Castingusdownyoufallyourself!
ThustheTwoWaysofParmenidesbecamethewayofreasonandthe wayofthesenses:rationalismandempiricism.Theyalsogaverisetothe distinctionbetweenprimaryandsecondaryqualities-betweenspatial shapeorextension(whichisrealandobjective)andcolourandsound (whicharesubjectiveandhardlybetterthanillusory);adistinctionthat playssoimportantaroleinGalileoandhissuccessors.