博文约礼 come from the Analects said by Confucius.
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Actually, in ancient Chinese, 儒 means people’s need.
Both the oracle bone script (甲骨文) and金文show that Li refers to container used for weddings.
Li is shown as a set of rules. Within this system, the emperor is on the top, the ministers at the bottom.
All affairs of the world are supposedly represented by the 64 hexagrams. ( )