" She didn't plagiarize. She didn’t copy anything. Her book, in fact, could hardly be more different from mine, in style, spirit, everything. The only thing that rankles me is her apparent reluctance to admit that she never learned anything from other writers. When ignorant critics praised her wonderful originality in inventing the idea of a wizards’ school, and some of them even seemed to believe that she had invented fantasy, she let them do so. This, I think, was ungenerous, and in the long run unwise."