This volume makes available in English the seminal treatises in Korea's greatest interreligious debate of the fourteenth and fifteenth centuries. On Mind, Material Force, and Principle and An Array of Critiques of Buddhism by Confucian statesman Chong Tojon (1342–1398) and Exposition of Orthodoxy by Son monk Kihwa (1376–1433) are presented here with extensive annotation. A substantial introduction provides a summary and analysis of the philosophical positions of both Neo-Confucianism and Buddhism as well as a germane history of the interactions between these two traditions in East Asia, offering insight into religious tensions that persist to this day. Translator A. Charles Muller shows how, from the time Confucianism and Buddhism met in China, these thought systems existed, along with Daoism, in a competing relationship that featured significant mutual influence. A confrontative situation eventually developed in China, wherein Confucian leaders began to criticize Buddhism. During the