真要(zhēn yào) “true essentials, the essence”
HD. 2.145a(唐代); not found at DK. 8.204.;
18b21.秘藏之法 但为菩萨 演其实事 而不为我 说斯真要(v)
not found at K. 116.10; not found at Z. 82b28;