Zhiyi (538–597 CE) was a foundational figure in Chinese Tiantai Buddhism. He authored the influential *Mohe Zhiguan* (Great Calm and Contemplation), a comprehensive manual for meditation and Buddhist practice.
Profound Meaning of the Lotus Sutra: Annotations on the Clarification (Volumes 1-3) (妙法蓮華經玄義釋籤)