Concept

Thought (si)

思si

1 source

In Chinese medicine, si (thought): a stage of mental activity. The Neijing states that the weighing and turning over of the will is si. Associated with the spleen, it denotes deliberation and the active working-through of intentions.

Source

Huangdi Neijing (Inner Canon of the Yellow Emperor)《灵枢·本神》（内经选读下篇·藏象·五脏藏神·原文2301）

References

《内经》本神/决气/邪客等综合理解（德气生精神魂魄意志思虑智认知层级链 / 营卫宗气津液生成运行）

Full definition

Classical source text (Chinese) — English summary above.

因志而存變謂之思

Citations

Huangdi Neijing (Inner Canon of the Yellow Emperor) · 托名黄帝/岐伯（先秦—西汉医家辑） · 《灵枢·本神》（内经选读下篇·藏象·五脏藏神·原文2301）Cited from Huangdi Neijing (Inner Canon of the Yellow Emperor) for its definition.