1. The knowledge gained from books is superficial after all, and it is impossible to understand the true meaning of knowledge. To truly understand the profound truth in books, you must practice it yourself.

2. Knowing the world and mastering the laws of the world are all knowledge; Handling things properly, understanding the truth and summing up experience are the articles.

3. Gold panning needs to be filtered thousands of times. Although it is hard, only when the precipitation is exhausted will the shining gold be revealed.

4. Falling red is a flower that points out the branches, but it is not something without feelings. Even if it turns into spring mud, it is willing to cultivate beautiful spring flowers to grow. Not for the unique fragrance, but to protect the flowers.

Tired.