When the philosophical mind asks itself about the source of knowledge, it does so—at the outset at least—with the implicit faith that truth exists, else how could the question arise in the first place. Denying all would naturally cause the mind rather to ask, “What is responsible for the illusion we term truth?” However truth is defined, it depends upon knowledge, and it is the source of knowledge that is the concern of this paper. “What is the source of knowledge ?” is a profound question. It is the problem of epistemology which permeates the whole of the history of philosophy. The pursuit of its answer has consumed many of the best work-years of the most responsible philosophers.