expression
study hard while you are young
Proverb warning that youth passes quickly but true learning is difficult; often used to encourage diligent study early in life.
「少年老い易く学成り難し」という言葉を胸に、毎日勉強に励んでいる。
With the saying 'study hard while you are young' in mind, I devote myself to studying every day.
A classical Chinese-derived proverb (少年老い易く学成り難し). The exact origin is uncertain, but it reflects a common Confucian admonition to value time and learning.