I am to leave for Sado Province in exile on the 7th of this month. As all of you who are put in prison due to your faith in the Lotus Sūtra actually read through one book of the Lotus Sūtra physically and spiritually, you not only reap the merits yourself, but extend the merits to the souls of your parents, brothers, and sisters as well.

Gonin Tsuchirō Gosho, A Letter to Five Disciples in a Dungeon, Writings of Nichiren Shōnin, Biography and Desciples, Volume 5, Page 153