One discovers his ignorance only through learning.

学然后知不足。

《新英汉大辞典》

Only through learning can I succeed in making a well-filled, cheerful and uplifting person of myself.

爱学习(才能)使得我成为一个充实、快乐、向上的人。

youdao

So, now, I only through learning to improve our cultural level and synthetical ability, just have the capital to compete with others.

因此，现在的我，只有通过学习来提高自己的文化水平和综合能力，才有资本与别人去竞争。

youdao