On reflection, in order to cure a serious sickness we have to prepare an excellent medicine. Likewise to save offenders of the five rebellious sins and slanderers of the True Dharma, there is no way but to administer to them the essential dharma (five characters of myō, hō, ren, ge, and kyō).

Soya Nyūdō-dono-gari Gosho, A Letter to Lay Priest Lord Soya, Writings of Nichiren Shōnin, Doctrine 3, Pages 147.