Lotus Sūtra | Chapter XI | The Appearance of a Jewelled Stūpa. At that time there appeared before the Buddha a 7-Jewelled Stūpa, 500 Yojanas in height and 250 Yojanas both in length and width, which emerged from the ground and hovered in the air. Then a tremendous voice issued forth in praise from the Jewelled Stūpa, saying: “Splendid, splendid! O Śākyamuni!

Lotus Sūtra | Chapter XII | Devadatta. Buddha then addressed the assembly of Bodhisattvas: “In the past, immeasurable kalpas ago, I tirelessly sought the Lotus Sūtra. Through the virtuous friendship of Devadatta I was able to become endowed with the 6 perfections, benevolence, compassion, sympathetic joy, generosity. There is the daughter of the Nāga king Sāgara, She has attained the power of recollection.

Lotus Sūtra | Chapter XVI | Lifespan of Tathāgata. Buddha addressed the Bodhisattvas and the entire great assembly, saying: The period of time since I became a Buddha would exceed this by hundreds of thousands of myriads of koṭis of nayutas of incalculable kalpas. Since then I have constantly been residing in the Sahā world, teaching the Dharma and inspiring sentient beings. Never become extinct.