What is this new methodology? Quine, who introduced naturalized epistemology five decades ago (Quine 1969a), urges epistemologists to renounce the project of explaining knowledge a priori, from first principles, thus independently of science. The traditional approach to knowledge had been to reason about the possibility of knowledge and about the kinds of things that can be known without assuming from the outset that we already possess considerable knowledge through science. Even the classical e