佛祖統紀 41.29

41.29

In the eleventh month of the eleventh year, King Siṃha of the Kingdom of Uḍra in South India presented the Avataṃsaka Sūtra as tribute and submitted a memorial stating [...]. King Siṃha personally wrote the chapter on 'The Practices and Vows of Samantabhadra' to present to the Son of Heaven of Great Auspiciousness of the Great Tang of Mahācīna, praying to quickly behold and pay respects [to the Buddha] in the Dragon Flower Assembly of the Tathāgata Maitreya, to attain the knowledge of past lives so as to recognize Him upon seeing Him, and together to receive the Buddha's prophecy. In the fourth month, on the imperial birthday, Master Chengguan was summoned by edict into the inner palace to lecture on the sūtras. Refreshing the emperor's mind with the marvelous Dharma, he was granted the title Master Qingliang, Teacher and Upādhyāya.