expression
true endurance is enduring the unendurable
Proverb emphasizing that real patience means bearing what seems unbearable.
「ならぬ堪忍するが堪忍」という言葉を胸に、彼はどんな困難にも耐えた。
With the saying 'true endurance is enduring the unendurable' in his heart, he endured every hardship.
Common kana-mixed spelling for this proverb.
Kanji spelling using 成らぬ; less common but still encountered.
A traditional Japanese proverb; the exact origin is uncertain, but it reflects a common cultural value of perseverance.