湯とうの盤ばん銘めい

expression, noun

inscription on King Tang's bathtub; maxim about daily self-renewal

A classical Chinese allusion from the 大学 (Great Learning), referring to an inscription on King Tang's bathtub that encourages constant self-improvement. Rare in modern Japanese; used mainly in literary or philosophical contexts.

• 「湯とうの盤ばん銘めい」は、日ひ々び新あらたに自じ分ぶんを磨みがくことの大たい切せつさを説といている。

  "The inscription on King Tang's bathtub" teaches the importance of renewing oneself every day.