IF we examine the essential and the theoretical teachings of the Lotus Sutra, we see that the theoretical teaching maintains, as [did the teachings that came] before, that the Buddha first attained enlightenment during his present lifetime; therefore, obstacles still beset the teaching. The essential teaching has freed itself from such impediments. However, compared with the five characters of the daimoku, it is a doctrine unsuited to the capacity of the people of the Latter Day of the Law. The wonderful means of truly putting an end to the physical and spiritual obstacles of all living beings is none other than Nam-myoho-renge-kyo.
Reply to Shijō Kingo