ung enten ▁ <0xE6> <0xBA> <0x96> 原 典 ) ▁are ▁officially ▁san ction ed ▁texts ▁which , ▁along ▁with ▁the ▁script ures , ▁are ▁used ▁to ▁instruct ▁students ▁and ▁ad her ents ▁of ▁Ten ri ky o . ▁They ▁are ▁required ▁texts ▁for ▁students ▁en rolling ▁in ▁Ten ri ky o ' s ▁sem inary ▁programs , ▁such ▁as ▁the ▁three - month ▁" Sp irit ual ▁Development ▁Cour se " ▁( Sh uy oka ▁ 修 <0xE9> <0xA4> <0x8A> 科 ). ▁ ▁The ▁Do ctrine ▁of ▁Ten ri ky o ▁is ▁Ten ri ky o ' s ▁official ▁doctrine , ▁which ▁explains ▁the ▁basic ▁teach ings ▁of ▁Ten ri ky o . ▁The ▁Life ▁of ▁O y as ama , ▁Found ress ▁of ▁Ten ri ky o ▁is ▁Ten ri ky o ' s ▁h agi ography ▁of ▁M iki ▁Nak ay ama . ▁The ▁A ne cdot es ▁of ▁O y as ama , ▁Found ress ▁of ▁Ten ri ky o ▁is ▁an ▁anth ology ▁of ▁an ec d otes ▁about ▁Nak ay ama ▁that ▁were ▁passed ▁down ▁or ally ▁by ▁her ▁first ▁follow ers ▁and ▁later ▁written ▁down ▁and ▁verified . ▁ ▁Organ ization ▁▁ ▁Ten ri ky o ▁is ▁sub div ided ▁into ▁many ▁different ▁groups ▁with ▁common ▁goals ▁but ▁differ ing ▁functions . ▁These ▁range ▁from ▁the ▁Da ik y ok ai ▁( lit . ▁large ▁church ), ▁to ▁dis aster ▁relief ▁corps , ▁medical ▁staff ▁and ▁hosp it als , ▁univers ities , ▁museum s , ▁libraries