Tài qīng yuán jí zhì miào shén zhū yù kē jīng 太清元極至妙神珠玉顆經

Great-Clarity Primordial-Ultimate Supreme-Marvelous Divine-Pearl Jade-Kernel Scripture

Anonymous

A Daoist nèi dān scripture with elaborate metaphorical title evoking the “divine pearl” (shén zhū 神珠) and “jade kernel” (yù kē 玉顆) — mature nèi dān metaphors for the inner elixir. Preserved as DZ 865 / CT 865.