坚韧不拔的

He then ordered another god to come downtake the two high mountains away.

玉帝被愚公坚不拔的精神所感动，便派大神把两座大山背走了。

Many of the most successful people are endowed with brains, talent, and perseverance.

许多获得巨大成功的人都有非凡的智、以及坚不拔的。

In the novel, the old man was not only a representative for one person, it indicates a kind of strength, a sort of spirit, that's the respected grittiness, the never-give-up spirit.

这里，老人不仅仅是代表着一个人，而是代表了一股量，一种精神，那是让人敬佩的坚不拔，永不服输的精神。