▁place ▁that ▁hum ank ind ▁was ▁conce ived . ▁The ▁" C aus ality ▁of ▁the ▁Prom ised ▁Time " ▁indicates ▁that ▁October ▁ 2 6 , ▁ 1 8 3 8 ▁– ▁the ▁day ▁when ▁God ▁became ▁open ly ▁revealed ▁through ▁M iki ▁Nak ay ama ▁– ▁marked ▁the ▁time ▁when ▁the ▁years ▁equal ▁to ▁the ▁number ▁of ▁first - born ▁humans ▁( 9 0 0 , 0 9 9 , 9 9 9 ) ▁had ▁el apsed ▁since ▁the ▁moment ▁hum ank ind ▁was ▁conce ived . ▁ ▁Text s ▁ ▁Script ures ▁The ▁three ▁script ures ▁( s ang enten ▁ 三 原 典 ) ▁of ▁Ten ri ky o ▁are ▁the ▁Of udes aki , ▁Mik ag ura - uta , ▁and ▁Os ash iz u . ▁ ▁The ▁Of udes aki ▁( お ふ で さ き , ▁" T ip ▁of ▁the ▁Writing ▁Br ush ") ▁is ▁the ▁most ▁important ▁Ten ri ky o ▁script ure . ▁A ▁ 1 7 - volume ▁collection ▁of ▁ 1 , 7 1 1 ▁w aka ▁po ems , ▁the ▁Of udes aki ▁was ▁composed ▁by ▁the ▁found ress ▁of ▁Ten ri ky o , ▁M iki ▁Nak ay ama , ▁from ▁ 1 8 6 9 ▁to ▁ 1 8 8 2 . ▁ ▁The ▁Mik ag ura - uta ▁( み か ぐ ら う た ▁" The ▁Songs ▁for ▁the ▁Service ") ▁is ▁the ▁text ▁of ▁the ▁Service ▁( ots ut ome ), ▁a ▁religious ▁rit ual