There is no one in the first or second grade, but it starts in the third grade: as long as you work hard enough, an iron pestle can be ground into a needle. Intelligence comes from hard work, and genius comes from accumulation.

The rope cuts the wood, and the water drops penetrate the stone. With perseverance, gold and stone can be carved. "Encouraging Learning": The waves behind the Yangtze River push the waves ahead, and the people of today are better than the people of the past. If you spend your years in vain, you will regret it when you are old. Three hundred and sixty lines, and he will be the number one scholar. Ice is born from water and is colder than water; green comes from blue and is better than blue. When the book is used, it will be less regretful, and it will not be difficult to understand the right and wrong. As the famous saying goes, those who love others will always be loved by others, and those who respect others will always be respected by others. The old are as old as others, and the young are as young as others. ——Mencius' "Encouragement to Learning" is deeply afraid of being immobile and afraid of not using the brain. The more you use your hands, the more skillful you become, and the more you use your brain, the smarter you become. Three days to fish and two days to dry the nets. Half-hearted and half-hearted, accomplish nothing. The master leads you to practice on your own. Practice makes perfect, and diligence makes perfect. Ancient and modern sages on environmental protection: Protecting the environment is everyone’s responsibility. The trees are shady and the air is fresh. The merits are in the present generation and benefit future generations. The trees on the mountain are light, and the foot of the mountain is muddy. If you don't plant trees to control mountains and rivers, you won't be able to preserve the soil and water. Planting trees to control wind and sand, and there are good crops everywhere.