At once the same matter of the machine has become subject to another original force, galvanism, which now governs it according to its own laws, and reveals itself in it through its phenomena; and etiology can again tell us nothing about this force except the conditions under which, and the laws in accordance with which, it manifests itself.
berehalaxe makinaren materia bera beste indar jatorrizko baten, galvanismoaren azpian eroriko da, zeinak bere legeen arabera menderatzen baitu, bere agerpenen bitartez hartan agertzen baita, zeinetaz aitiologiak zirkunstantziak, zeinen azpian, eta legeak, zeinen arabera agertzen baitira, besterik ezin baititu eman.