One of my favorite quotes is: With hard work, an iron pillar can be ground into a needle.

It taught me that no matter what I do, I must do it seriously. When encountering difficulties, I should not only not give up, but also challenge the difficulties, be diligent and studious, and pursue knowledge, so that I can pick the sweetness from the fruit tree of knowledge. Only with the fruits can you achieve success and become a pillar of talent.

It is also included in the complete textbook for primary school students.