Panââ?¬â?¢gyesurok (or ââ?¬Å?Panââ?¬â?¢gyeââ?¬â?¢s Random Jottingsââ?¬Â) was written by the Korean scholar and social critic Yu HyÃ?ÂngwÃ?Ân(1622-1673), who proposed to …