賢けん者じゃの石いし

expression, noun

philosopher's stone

The legendary alchemical substance said to turn base metals into gold and grant immortality. Often appears in fantasy, mythology, and historical alchemy contexts.

• 中ちゅう世せいの錬れん金きん術じゅつ師したちは賢けん者じゃの石いしを追おい求もとめていた。

  Medieval alchemists sought the philosopher's stone.