How Science Resists the Philosophical Concept that Percep...

In the traditional theory, which still is the prevailing one, there were alleged to exist inherent defects in perception and observation as means of knowledge, in reference to the subjectmatter they furnish. This material, in the older notion, is inherently so particular, so contingent and variable, that by no possible means can it contribute to knowledge; it can result only in opinion, mere belief. But in modern science, there are only practical defects in the senses, certain limitations of ...