expression, noun
wisdom of age; sagacity from experience
A set phrase emphasizing that long life brings insight and good judgment. Often used in the proverb 亀の甲より年の功.
年の功で、彼は難しい問題も冷静に解決した。
With the wisdom of age, he calmly solved even difficult problems.
「亀の甲より年の功」ということわざがある。
There is a proverb: 'The wisdom of age is better than the shell of a tortoise.'