Song mantra - Utano Makoto

...In the field of art, Basho's theory of "Fuga no Makoto" (Sincerity of Elegance), which recognized the life of the universe (microcosm) in all objects and sought to clarify one's true nature by empathizing with that life, and Oninuki's theory of haiku, which declared that "there is no haikai outside of truth" (Dokugoto). Meanwhile, new movements were seen in the world of waka poetry, and Kada Azumaro, a Shinto revivalist, valued the truth of human feelings, and his disciple Kamo Mabuchi began to assert the theory of "Makoto of poetry," which states that one should express what one thinks in one's heart as it is, without being bound by reason or irrationality. Mabuchi's theory of truth was widely inherited by his school, and later became the theory of poetry of Ozawa Roan, who preached "singing the truth of what is in one's heart right now," and Kagawa Kageki, who preached "calmly investigating and perfecting the sincerity of one's heart."...

*Some of the terminology explanations that refer to "Song Mantras" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…そして，芸術の分野では，あらゆる対象の中に宇宙の生命(小宇宙)を認め，その生命と感合することで自己の本性を明らかにしようとする芭蕉の〈風雅の誠〉論，あるいは〈まことの外に俳諧なし〉(《独ごと》)と喝破した鬼貫の俳諧論を生み出している。一方，和歌の世界でも新しい動きがみられ，復古神道の荷田春満（かだのあずままろ）は人情のまことを重んじ，その門下の賀茂真淵は心に思うことを理･非理にとらわれることなくそのまま表現すべきだという〈歌の真言（まこと）〉説を主張するようになった。その真淵のまこと説は以後その門流に広く継承されていくが，下っては〈今わが思う心の真実を歌う〉ことを説いた小沢蘆庵（おざわろあん），〈自分の真心の誠をやすらかに調べととのえる〉ことを説いた香川景樹（かがわかげき）らの歌論となった。…

※「歌の真言」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報