佛祖統紀 23.23

23.23

Zhide, 1st year (guimao, continuing for 4 years).
In the third year of Zhide, an imperial decree summoned Chan Master Yi of Waguan to proceed to the Taiji Hall to expound the title of the Mahāprajñāpāramitā-śāstra and the title of the Renwang Bore Jing; he then returned to Lingyao Monastery to deliver the lectures. At that time, the hundred seats were arranged on the left, and the five ranks of nobility were arranged on the right. Huikuang and Huibian were both commanded by imperial decree to pose difficult questions. The Son of Heaven presided over the banquet to listen to the Dharma, and all the hundred officials showed utmost respect.
In the fourth year of Zhide, an imperial decree welcomed Chan Master Yi to reside at Guangzhai Monastery. The Emperor visited the monastery to hear the lecture on the Renwang [Jing] and personally made three prostrations.
Zhenming, 1st year (dingwei, continuing for 3 years). Chan Master Yi expounded the Lotus Sūtra at Guangzhai; Zhāng'ān attended and listened.