（1） （a/saiks!a）. "No-more-learning;" the stage at which one no longer needs religious training， as opposed to 有学 （youxue）. Another name for an arhat 阿罗汉 who has completed the course of practice. One who has attained the state of arhat， has already abandoned all defilement， so there remains nothing to learn and practice. The last of the four stages 四果 of the /sra^vaka path. （2） Muhak Chach'o 无学自超 （1327-1405）. An eminent Korean Son monk of the late Koryo period. He was the student of Hyegun 慧勤 and teacher of Hamho 涵虚. His career reached its peak just before the full blossoming of the Neo-Confucian-led purge of Buddhism brought about severe structural changes in the Buddhist establishment. Because of these changes， Muhak would end up being Korean Buddhism's last National Teacher 国师.