朱子 性理学
조선이 500년간 자폐증환자 처럼 변한것은 사상 때문일까?
<iframe width="1280" height="720" src="https://www.youtube.com/embed/woUG_5tC7xE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
朱子 性理學