Career
Adopted by the Hayashi clan of scholars, his teachings or stints as adviser had a deep impact on many figures of the last days of the shogunate such as the reformers Tsugaru Yukitsugu, Sakuma Shōzan, the painter Watanabe Kazan, Yokoi Shōnan, and Nakamura Masanao. His writings are mainly analects known as the 言志四録 (Genjishiroku, Japanese page of Wikipedia). He also named the famous Shōyō-en Garden of the Nikko complex.