Tien Tai Sect  天台宗  One of the Ten Great Sect in Chinese Buddhism. It was initiated by Hui Man in the dynasty of Bei-Chai, and was promoted by Chi-Hai in Tsui Dynasty. Mainly based on Lotus Sūtra, Tien Tai Sect explains all universal phenomena with Three Dogmas. For the practices, it emphasizes cutting off Three Delusions, thus establishes the method of Three Meditations of One Mind.