WebZhu Xi ( [ʈʂú ɕí]; Chinese: 朱熹; October 18, 1130 – April 23, 1200), formerly romanized Chu Hsi, was a Chinese calligrapher, historian, philosopher, poet, and politician during the Song dynasty. Zhu was influential in the development of Neo-Confucianism. He contributed greatly to Chinese philosophy and fundamentally reshaped the ...