One of the works written by Genshin 源信 （942-1017） that discusses the doctrines of Tendai is the Sanshugi shiki 三周義私記 （Private record concerning the doctrines of the three rounds）. In this text we find some discussions on how in the Lotus Sūtra the two vehicles lead one to attain Buddhahood.
In Tendai debates, the issue was the interpretation of the expression yuan zhu xiao 元住小 a term used by Zhanran 湛然 to discuss śrāvakas in the audience which heard the Lotus Sūtra preached. Genshin’s text records the oldest layer of that discussion. I discuss how Tendai interpreted śrāvakas and how this issue was debated, as well as its impact on debate in later generations.
