597 . The Tian Tai school founder Zhi Yi settles at Xiuchan Monastery on Mount Tiantai in eastern China.
He publishes a disciplinary code for the monks there, the Li Zhifa (Establishing monastic regulations), in 597.
His follower Guan Ding later records Zhi Yi’s teachings in the Mohe Zhiguan (Great calming and contemplation).
In this work Zhi Yi spells out the equal importance given to practice and study in the monk’s life of contemplation.