※ 다음 글을 읽고 물음에 답하시오. [문 9～문 10] When we look at typical educational practices, we would be justified in assuming that the main purpose of education is to ensure that students accumulate knowledge, skills and attitudes appropriate for the lives they are likely to lead. But when we look at the writings of the greatest educational thinkers we find that their main concern is rather different from this. If we consider Plato, Rousseau and Dewey, for example, it is clear that the accumulation of knowledge and skills in the sense that seems to exercise our schools almost exclusively, is only a small part of what concerns them. Becoming educated in their view is not being bound by the conventional ideas and beliefs which people commonly grow up to accept. Education, they passionately assert, is about something that __________. Instilling knowledge is obviously not irrelevant to them, but their concerns with it are determined by the much more important question of how one enables a student to become an autonomous thinker, able to see conventional ideas critically. 위 글의 요지로 가장 적절한 것은?