expression
spare no effort while you are young; hardships in youth pay off later
Proverb encouraging young people to willingly take on challenges and hard work, as the experience will benefit them in the future.
「若い時の苦労は買ってもせよ」と言うから、今のうちに色々な経験を積んでおきたい。
They say 'spare no effort while you are young,' so I want to gain various experiences now.
A traditional Japanese proverb. The exact origin is uncertain, but it reflects a common cultural value of enduring hardship in youth for future benefit.