He is known as one of the intellects of Hideyoshi TOYOTOMI and Ieyasu TOKUGAWA's governments, playing an important role in drafting Shohatto laws and diplomatic documents, planning education promotion and temple administration, and conducting Buddhist rites such as Buddhist memorial services.
豊臣秀吉や徳川家康の知恵袋の一人として知られ、特に諸法度や外交文書の起草、学問奨励策や寺社行政の立案や、法要などの仏事の運営に重要な役割を果たした。