Proof of the doctrine, The Succession is Through the Scrolls of the Lotus Sutra and the writings of Nichiren by Nichiju, the founder of the Kempon Hokke

 “The Buddha says determining the future, “Depend upon the teaching, not upon the people. Bodhisattva Nagarjuna says, “If one depends upon the scripture it is a correct argument; if one does not depend upon the scripture it is an incorrect argument.” T’ien-t’ai says, “Again, if it conforms to the scripture, quote and use it. If there is no corresponding sentence or corresponding meaning, then one should not believe and accept. ” Dengyo says, “Depend upon what the Buddha taught, not upon the oral tradition.” If one follows these scriptures, treatises and commentaries, then one should not base oneself on dreams. Once should only treasure the passages in the scriptures and treatises…” - The Selection of the Time