Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
성리학은 조선 시대의 주요 사상 중 하나였습니다.Seongnihak-eun Joseon sidae-ui juyo sasang jung hanayeossseubnida.Confucianism was one of the main philosophies during the Joseon Dynasty.