To attack the problem at the root of the possibility of knowledge directly we start by considering again the role of such a doctrine as the Kantian doctrine of "two sources", or Spinoza's "monism", or Quine's "holistic relativism". The question now being whether we need such a theory. After all we have no difficulty communicating and making sense. We use our knowledge in a satisfactory manner for all practical purposes. Whoa! — that lands us in Pragmatism, and Pragmatism is a basic epistemological hypothesis of the very type that we are trying to abandon.