Great Calming and Contemplation, a foundational text of Tiantai Buddhism compiled from lectures by Master Zhiyi in the 6th century which, along with 法华玄义 fǎ​huá​xuán​yì and 法华文句 fǎ​huá​wén​jù, forms the Three Great Parts of the Lotus 法华三大部 fǎ​huá​sān​dà​bù