Choei criticized the Edo bakufu (Japanese feudal government headed by the TOKUGAWA family) for enforcing the Order for the Repelling of Foreign Ships and argued for opening Japan to the world, but he died in the bakufu's repression without seeing the opening of the country to the world.
江戸幕府の異国船打払令を批判し開国を説くが、弾圧を受け、それを見ることなく亡くなった。