General 《中庸》’Zhongyong’ — “Doctrine of the Mean” July 31, 2020 profalexfung “The state of equilibrium and harmony“ (475-221 BC), aka “Doctrine of the Mean”, is the English title used on this website for the Chinese Classic ‘Zhongyong’《中庸》 (公元前475年 – 公元前221年).