“In terms of realizing buddhahood with this very body,” Nichiren wrote, “the trace teaching is the gate that affords entry, while the origin teaching holds its true meaning, that is, its actualization.” Where the trace teaching presents buddhahood as a potential inherent in the nine realms of unenlightened beings, the origin teaching shows the buddha realm revealed through the Buddha’s conduct in the nine realms, represented in particular by the bodhisattva realm. The buddha realm has no separate existence or mode of expression apart from the nine realms. Rather, the nine realms, without losing their individual character, are purified, elevated, and positively redirected in the light of the realized buddha realm. This is the awakened reality of the Buddha, which Nichiren termed “the single thought-moment comprising three thousand realms in actuality” (ji no ichinen sanzen). For him, this revelation had one sole scriptural locus: it was “hidden in the depths” of the “Lifespan” chapter of the origin teaching of the Lotus Sūtra.