San Yi: The Three Ancient Divination Texts in Taoism 三易
Paul PengKey Takeaways
- San Yi refers to the three ancient divination classics: Lianshan, Guicang, and Zhouyi, representing successive stages in Chinese cosmological thought
- Each text employs a hexagram system with distinct cosmological orientations, though only the Zhouyi survives as a complete text
- In Zhengyi Taoism, San Yi forms the foundational cosmological framework underlying ritual practice and personal cultivation
Definition
San Yi (三易, Sān Yì, lit. "Three Changes") is a term referring to the three ancient Chinese divination classics: the Lianshan (连山, "Continuous Mountains"), the Guicang (归藏, "Return to Storage"), and the Zhouyi (周易, "Changes of Zhou"). These texts represent successive stages in the development of Chinese cosmological and divinatory thought, employing hexagram systems to model the transformations of reality. While the Zhouyi remains extant as one of the Five Classics, the Lianshan and Guicang survive only in fragments preserved in later quotations. San Yi forms a crucial foundation for Taoist ritual and cosmology, and is deeply connected to Yijing practices within Taoist tradition.
Classical Sources
The earliest systematic reference to San Yi appears in the Rites of Zhou (周礼, "Zhouli"), specifically in the "Chun Guan" (春官, "Offices of Spring") section describing the duties of the Grand Diviner (大卜, Da Bu):
"掌三易之法，一曰连山，二曰归藏，三曰周易。"
(Meaning: "He masters the methods of the Three Changes: first is Lianshan, second is Guicang, third is Zhouyi.")
The text further records that the Grand Diviner employed these three systems for state divination, with each representing a distinct cosmological orientation. Traditional attribution holds that the Lianshan was the Xia Dynasty (c. 2070–1600 BCE) version, the Guicang the Shang Dynasty (c. 1600–1046 BCE) version, and the Zhouyi the Zhou Dynasty (1046–256 BCE) formulation.
A later interpretation appears in Li Daochun's (李道纯) Zhong He Ji (《中和集》, "Collection of Central Harmony") from the Yuan Dynasty (1271–1368), which distinguishes three modes of Change:
- **Tian Yi** (天易, "Heaven Change"): The principle (理, li) of Change
- **Sheng Yi** (圣易, "Sage Change"): The images (象, xiang) of Change
- **Xin Yi** (心易, "Heart Change"): The way (道, dao) of Change
Classification
The three texts represent distinct cosmological orientations:
Lianshan (连山, "Continuous Mountains")
Attributed to the Xia Dynasty, this version reportedly took the Gen (艮, Mountain) trigram as its starting point, symbolizing the continuous emergence of phenomena like mountain ranges. The text emphasizes the arising and manifestation of forms in the natural world.
Guicang (归藏, "Return to Storage")
Attributed to the Shang Dynasty, this version began with the Kun (坤, Earth) trigram, emphasizing the return of all things to their source. The cosmological focus is on cyclical completion and the storage of potential.
Zhouyi (周易, "Changes of Zhou")
The Zhou Dynasty formulation begins with Qian (乾, Heaven) and Kun (坤, Earth), establishing the dynamic interplay of yang and yin as the fundamental cosmological principle. This version alone survives as a complete text, forming the basis of the Yijing (易经, "Classic of Changes"). The Yijing principles remain central to understanding the cosmological frameworks discussed in the San Yi system.
Each system employed sixty-four hexagrams, but with different ordering principles and interpretive frameworks. The Zhouyi organization, structured around the opposition and complementarity of Heaven and Earth, became dominant in Chinese thought.
Zhengyi Perspective
In the Taoist Priest tradition, San Yi represents the foundational cosmological framework underlying both ritual practice and personal cultivation. The Zhengyi lineage preserves divinatory methods derived from the Zhouyi system, employing hexagram consultation for ritual timing, personal decision-making, and understanding cosmological patterns.
The three modes of Change articulated in later Taoist interpretation—Tian Yi, Sheng Yi, and Xin Yi—correspond to three levels of practice within the Zhengyi system. Tian Yi informs the understanding of cosmic timing and celestial bureaucracy; Sheng Yi guides the interpretation of signs and omens in ritual contexts; Xin Yi supports the internal cultivation of clarity and alignment with the Dao. This threefold framework integrates divination, ritual, and meditation into a coherent system of practice.
Related Concepts
- Yin Yang: The foundational yin-yang duality central to the Three Changes divination system → See: Yin Yang
- Five Elements: The five-phase framework organizing hexagram interpretations in the Three Changes → See: Five Elements
- Qi: The vital energy flowing through divination readings in the Three Changes system → See: Qi
Source Texts
- Anonymous. Zhou Li (周礼, "Rites of Zhou"). Zhou Dynasty, c. 4th–3rd century BCE. Shisanjing Zhushu edition.
- Li Daochun (李道纯). Zhong He Ji (中和集, "Collection of Central Harmony"). Yuan Dynasty, 13th century. Zhengtong Daozang, Vol. 118.
- Anonymous. Zhouyi (周易, "Changes of Zhou"). Zhou Dynasty, c. 8th–3rd century BCE. Shisanjing Zhushu edition.
- Ma Guohan (马国翰). Yuhan Shanfang Ji Yishu (玉函山房辑佚书). Collected fragments of Lianshan and Guicang. Qing Dynasty, 19th century.
