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
그는 계몽사상가로서 사회의 발전을 위해 노력했다.geu-neun gye mong sa sang ga-ro-seo sahoe-ui baljeon-eul wihae noryeokhaetda.He worked for the advancement of society as a philosopher of enlightenment.