With tenacious and unyielding willpower, he overcame all difficulties.
Tips
history
From Su Shi's Song-dynasty 《晁错论》: 古之立大事者，不惟有超世之才，亦必有坚忍不拔之志。 Su Shi argues that accomplishing great things demands not only extraordinary talent but also unshakeable resolve.
usage
Attributive modifier for qualities: 的毅力 / 的精神 / 的意志 / 的品质. A cornerstone word for motivational, biographical, and educational writing. Often paired with 不屈不挠 (never yielding).
