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Cheng Yi

Master of the Luo school; "nature is principle"

Remembered for a Single Line · Small Roles, Famous Names
Neo-ConfucianismNature is principleInvestigation of things

Who they are

Cheng Yi (1033–1107), with his brother Cheng Hao founded the "Luo school," teaching that "nature is principle" and that cultivation lies in reverence and the extension of knowledge through the investigation of things. Carried on by Zhu Xi, his thought became the "Cheng-Zhu" orthodoxy of the Yuan, Ming and Qing.

Primary sourcesSurviving Works of the Two ChengsCheng Yi, Yichuan Commentary on the Changes

Key stories

"Standing in the snow at Cheng’s gate"

When disciples came for instruction and found Cheng Yi sitting in meditation, they waited outside until he stirred — by then the snow was a foot deep. "Standing in the snow" became the byword for reverence toward a teacher.

Relationships

Disciple

Echoes today

Below are how modern works borrow or reinterpret this name or story — not the original material. The two differ, so keep them apart.

"Standing in the snow"The story of reverence for one’s teacher is still a common idiom.
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