People had been thinking that keeping up and developing a family and the Michi were connected closely; a family existed to pursue the Michi and the Michi was maintained by the family in a complementary relationship.
家の存続・発展と道の存続・発展は密接につながり合っており、家は道を追求するために存在し、道が家によって保持されるという補完関係にあると考えられてきた。