Huán yuán piān 還源篇

Treatise on Returning to the Source

by 石泰 (Shí Tài, 1022–1158) — Second Patriarch of the Nán zōng

Shí Tài’s principal nèi dān treatise — the founding treatise of Southern-Lineage teaching after Zhāng Bóduān’s Wù zhēn piān. Preserved as DZ 1091 / CT 1091 (Tài xuán bù 太玄部).

Dating. Within Shí’s active lifetime. Dynasty: 北宋-南宋.