1. Teachers are the kindling that ignites the fire of children’s hearts. Teachers are the stone steps that bear the responsibility of children to move up step by step.

2. In fact, every class, and even every industry, has its own morality. ——Engels

3. When selling melons, they also say the melons are bitter, and when selling wine, they also say the wine is thin.

4. Although the industries are different, there is no difference in the character of geniuses.

5. The fuller the ears of grain, the droopier they will be; the more knowledgeable, the more humble they will be.