Zhu Xi

Born in 1130 during the Southern Song dynasty, Zhu Xi grew into a scholar of staggering range: philosopher, historian, poet, calligrapher, and occasional government official who largely avoided public life. He spent decades teaching students, corresponding with peers, and compiling nearly a hundred books. Building on the Cheng brothers' work, he advanced a rigorous method called "investigation of things" and wove moral self-cultivation, meditation, and classical study into a unified system—explicitly rejecting Buddhist claims of instant enlightenment divorced from learning and practice. His ed…