He subsequently submitted a letter of his opinion to Shungaku MATSUDAIRA (Leader of Political Affairs of the Tokugawa Shogunate) regarding the Three Urgent Measures to be Taken (1. Carrying out joi, 2. Issuing amnesty, 3. Educating talented persons of the nation.)
その後、松平春嶽（幕府政事総裁）に急務三策（1.攘夷の断行、2.大赦の発令、3.天下の英材の教育）を上書する。