1040-1123 bkaʼ-brgyud-pa(sect) bkaʼ-rgyud-pa(sect) buddhism mi-la-ras-pa rel007050rel007030 religion sacredwritings spirituallife tantricbuddhism tibetan ʼbri-gungchos-rjeʼjig-rten-mgon-po ʼbri-guṅchos-rjeʼjig-rten-mgon-po