Of all the main historical positions in philosophy, the logical positivists and logical empiricists came closest to the insights we have urged. Over-reactions to their errors have led metaphysicians over the past few decades into widespread unscientific and even anti-scientific intellectual waters. We urge them to come back and rejoin the great epistemic enterprise of modern civilization.

James Ladyman and Don Ross, with David Spurrett and John Collier, Every Thing Must Go: Metaphysics Naturalized, Oxford, 2007, p. 310