Sekimon Shingaku became familiar among Daimyos (feudal lords) of Edo bakufu including Roju (senior councilor) Sadanobu MATSUDAIRA as well as among common people, and Doni worked as a teacher at a ninsokuyoseba (independence support facilities for minor offenders) in Edo city.
道二の石門心学は庶民だけでなく江戸幕府の老中松平定信をはじめ、大名などにも広がり、江戸の人足寄場における教諭方も務めている。