We obtain Buddhahood only through our relationship with the Lotus Sutra

"Thus when we discuss these matters of doctrine, we must realize that, unless and until the essential teaching is revealed, it is impossible through the sutras preached prior to the Lotus or through the theoretical teaching of the Lotus to free oneself from the six paths. How then could one ever free oneself from the nine worlds [and enter the tenth, that of Buddhahood]?"