Some people say that he succeeded in expressing the idea of 'Ken Zen Ichinyo' (swordsmanship and Zen are one and the same) in his works and some people say that unlike expert work, his poor and simple style enhances the quality.
剣禅一如の境地が見事に描かれた作品との評価もあるが、職業画家ではない稚拙さ素朴さが逆に作品の評価を高めているとの意見もある。