Interpretation: Every midnight is the best time for boys to study. When I was a teenager, I only knew how to play and didn't know how to study hard. When I was old, I regretted why I didn't know how to study hard when I was young.
2, the ancients learned nothing, suitable for all ages. What you get on paper is so shallow that you never know what you have to do. -"Reading on a Winter Night" Song Dynasty: Lu You
Interpretation: The ancients spared no effort in learning, and often did not achieve anything until they were old. After all, the knowledge gained from books is not perfect. If you want to understand the truth deeply, you must practice it yourself.
3, the insect sound is fine, and the cold medicine is strong. You pity the guests and are still hard. -"Long Valley Reading to Show Eight Passes" Tang Dynasty: Li He
Interpretation: The noise is dim, and my family is so poor; Night cold medicine is strong, and my body is so weak. Standing alone, inseparable, I am so lonely; Only you, a poor bird with drooping wings, braved hardships and accompanied me.
4, mechanics, such as ploughing, diligent and self-aware. But if you do too many books, you will get old. -"Academy" Song Dynasty: Liu Guo
Interpretation: Studying hard is like working hard for farmers. Only those who are hardworking or lazy will know. Even if there are many kinds of books, as long as you work hard, you will eventually become familiar with them and understand them.
As soon as the half acre square pond is opened, the sky and the moon will swim away. Ask the canal to be so clear, because there is running water at the source. -"Reading Random Thoughts" Song: Zhu
Commentary: A square pond of half an acre size, with a mirror-like opening, is clear and bright, and the sky and clouds are shining and floating on the water. Why is the water in the pond so clear? It is because there is an inexhaustible source that continuously delivers living water to it.