A gem cannot be polished without friction
Meaning: Excellence and greatness are only achieved through struggle and hardship.
Origin: Chinese proverb rooted in Confucian philosophy on self-improvement.
Translations
- French: Une gemme ne peut être polie sans frottement (literally: A gem cannot be polished without friction)
- Spanish: Una joya no puede ser pulida sin fricción (literally: A gem cannot be polished without friction)
- Japanese: 玉磨かざれば光なし (Tama migakazareba hikari nashi) (literally: A jewel not polished has no shine)
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