三さん十じゅうにして立たつ

expression

at thirty, one stands on one's own; turning thirty and becoming independent

A set phrase from the Analects of Confucius, used to express the idea that by age thirty a person should be established and self-reliant. Often quoted or referenced in discussions about maturity and life milestones.

• 「三さん十じゅうにして立たつ」という言こと葉ばは、論ろん語ごの一いっ節せつです。

  The phrase 'at thirty, one stands on one's own' is a passage from the Analects.

• 彼かれは三さん十じゅうにして立たつを実じっ践せんし、自じ分ぶんの会かい社しゃを始はじめた。

  He put 'at thirty, one stands on one's own' into practice and started his own company.