Who accomplished the task of rebuilding Confucian beliefs

Ju Xi of the Song Dynasty. The emergence of teleology marked the completion of the theoretical task of rebuilding Confucian beliefs, and the founder of teleology was Zhu Xi, a great Confucian scholar of the Song Dynasty. Confucian beliefs are a major school of traditional Chinese culture, centered on Confucius, who believed that people should be guided by morality, learning, temperance, and etiquette.