The provided text "道盛说 大枢．大英录 谭贞默序" refers to a preface by Tan Zhenmo (谭贞默) for a work titled "Da Shu • Da Ying Lu" (大枢．大英录), which discusses the teachings of Daosheng (道盛). Daosheng was a prominent Buddhist scholar of the Eastern Jin Dynasty, known for his profound interpretations of Mahayana sutras, particularly his emphasis on the concept of innate Buddha-nature and his debates on sudden enlightenment.