So that above the ordinary, everyday words (and by means of them, since it is of course necessary to use them for the initial descriptions) there is raised the edifice of a language in the second degree in which the exact Names of things finally rule: The method, the soul of science, designates at first sight any body in nature in such a way that the body in question expresses the name that is proper to it, and that this name recalls all the knowledge that may, in the course of time, have been acquired about the body thus named: