Because he had a lot of spiritual and spirit medium experiences, he thought instantaneously that it was a sign of automatic writing when he had an acute pain in his right arm.
以前から霊的体験が豊富で自らも霊媒役等を務めた経験がある天明は、右腕の激痛時にこれらは自動書記の前触れかもしれないと瞬間的に思ったという。