In his Outstanding Principles of the Lotus Sūtra, Grand Master Dengyō cites the passage of the Lotus Sūtra, chapter 23, which claims: “This sūtra likewise is superior to any of the other sūtras. Those who keep this sūtra are also superior to all living beings.” Noting that the above is a scriptural statement, Grand Master Dengyō then quotes from the Profound Meaning of the Lotus Sūtra of Grand Master T’ien-t’ai. Noting that this is a citation from the Profound Meaning of the Lotus Sūtra, he interprets its meaning: “You should know that the canons of other schools are not perfect, and those who uphold them are also not perfect. The basic canon of the Tendai-Hokke School, the Lotus Sūtra, is superior. Therefore, those who uphold it are superior to all people. This is what the Buddha stated. How could it be self-admiration?”
Hōon-jō, Essay on Gratitude, Writings of Nichiren Shōnin, Doctrine 3, Pages 28.