Locke, Leibniz, and the blind boy who now sees

Quaere, how much do we really see? What can we learn about knowledge when sight is restored to a 13-year-old boy who had been blind since birth? Charlie Huenemann explains what the empiricist Locke and the rationalist Leibniz had to say about this. And don’t miss the very interesting readers’ comments to this very interesting essay.