In 1846 he was invited to Echizen Province (currently Fukui Prefecture) and gave lecture about the Manyoshu (Suzuya Manyo Kosetsu) as he had been taught by Norinaga 45 years ago, along with his own theories.
弘化3年（1846年）、越前国（福井県）に招かれ、45年前に宣長から受けた万葉集講釈（鈴屋万葉講説）に自説を交えて講釈した。