續一切經音義 10.28

10.28

三元（史記云五氣遍運二靈體分以陽發故氣冲為天以陰凝故氣沈為地天地形別為之兩儀以人參之三元備矣）。

Three Primes (三元: the Shiji says: "The five pneumas circulate universally, and the bodies of the two numina divide; because yang surges forth, its pneuma rises to become heaven; because yin congeals, its pneuma sinks to become earth; heaven and earth differ in form and are called the Two Modes; adding man to participate with them, the Three Primes are complete").