However, he did not simply repeat the same teachings in the Nirvana Sutra, but explained his previous teachings, including not only the four noble truths that lead to nirvana and the notion of emptiness but also "the Lotus Sutra" itself, from a higher perspective based on the nirvana principle.
しかしこれは単に同じ事を再説したのではなく、涅槃原理というさらに高い観点から四諦や空性などを再び説いたものであり、『法華経』も行程の中に含まれる、としている。