All knowledge, all science and arts have their beginning in the recognition that ordinary, familiar things may take on different forms. ... Whenever we may truly claim to have a science, we have found some principle by which different things are related to each other as just so many forms of one substance, or material, and everything that can be treated as a new variation belongs to that science.
――成城大学 文芸学部(2月11日実施)――2004年