Compared to the pre-Lotus perfect teachings, the Lotus Sūtra is the most appropriate. Compared to the theoretical teachings (of the Lotus Sūtra), the essential teaching (of the Lotus Sūtra) is the most appropriate for all people. Keep the phrase “The truer the teaching the lower the stage” in mind and examine its meaning.

Shishin Gohon-shō, The Four Depths of Faith and Five Stages of Practice, Writings of Nichiren Shōnin, Faith and Practice, Volume 4, Page102-103