国の宝とは何物ぞ…
国の宝とは何物ぞ。宝とは道心なり、道心ある人を名づけて国宝と為す。故に古人の曰く、径寸十枚、是れ国宝に非ず。一隅を照らす、此れ則ち国宝なりと。 – 伝教大師[最澄] (767 – 822): 『山家学生式(さんげがくしょうしき)』 / (「径寸十枚」:(直径一寸の玉[宝石]十個→)金銀財宝のこと) (PexelsによるPixabayからの画像) (Google Translateのエンジンを使用した、Sound of Textによるテキスト読み上げ) More »

![IMAGE: The usefulness of (the) useless. [Everyone knows the usefulness of useful things, but no one knows the usefulness of useless things. / Everyone knows the use of the useful, but not the use of the useless.] (Even if something did not bring immediate benefit, it could still turn out to be valuable.)](https://www.ok312.net/wp-content/uploads/2026/01/place-name-sign-822236_640-100x71.jpg)




![IMAGE: One man's fault is another man's lesson. [Learn wisdom by faults of others.]](https://www.ok312.net/wp-content/uploads/2019/06/adult-education-3258944_640-100x53.jpg)
