Genshin, 942-1017

Genshin (源信; 942 – July 6, 1017) was a prominent Japanese monk of the Tendai school, recognized for his significant contributions to both Tendai thought and Pure Land Buddhism. Genshin studied under Ryōgen, a key Tendai reformer, and became well known for his intellectual prowess, particularly after his success in official debates. He was also known as Eshin Sōzu (恵心僧都; Japanese pronunciation: [e.ɕiɰ̃ soꜜː.(d)zɯ]) and Yokawa Sōzu. Genshin spent much of his later life at the secluded Eshin-in hermitage in Yokawa, Mount Hiei, where he focused on scholarly pursuits, writing, and meditation. He left behind numerous works on a variety of topics, including Buddhist reasoning, Abhidharma, Tendai doctrine, and Yogacara. Genshin's Ichijō yōketsu (Determining the Essentials of the One Vehicle) was one of his most important works, as it contributed to medieval Japanese debates about buddha-nature and the one vehicle. He has also been credited with founding the Eshin-ryū, which became a key lineage in the development of the inherent awakening (hongaku) teaching. Genshin also became a leading figure in the development of Japanese Pure Land through his influential Ōjōyōshū (往生要集, Collection of the Essentials for Birth) and the founding of a nenbutsu society on Mount Hiei. The Ōjōyōshū outlined a comprehensive approach to attaining rebirth in Amitabha's Pure Land, integrating practices like precepts, buddha contemplation, and the recitation of the nembutsu. Genshin's Ōjōyōshū is considered as "the formative text of Japanese Pure Land Buddhism" by buddhologist Robert F. Rhodes, who notes that the text remained the standard work on Pure Land in Japan for generations. Genshin had a profound impact on Heian period deathbed nembutsu rituals, which were widely adopted by the elites. Genshin's Ōjōyōshū was also instrumental in shaping later Japanese Pure Land figures such as Ryōnin, Hōnen, Shinran and Benchō. Genshin was therefore considered a patriarch in Japanese Pure Land Buddhism. Genshin's work is still read outside of the Tendai school by Pure Land scholars, and thus, he continues to resonate within modern Tendai and in Japanese Pure Land Buddhism today.