Meaning: I used to think all day before, only to find that I didn't learn much in an instant; I once stood on tiptoe and looked far away, but I didn't see much when I climbed high. Xunzi said it during the Warring States Period.
2, study from time to time, not to mention.
Meaning: Isn't it a pleasure to learn the truth of dealing with people and practice it in time? From: The Analects of Confucius in the Spring and Autumn Period.
3. Learning is not enough, but teaching is difficult; You can introspect if you don't know enough, and you can be self-reliant if you are sleepy.
Meaning: You don't know your own shortcomings until you study, and you don't know what you don't know until you teach others. Only by knowing your own shortcomings can you reflect on yourself; Only by knowing what you don't understand can you encourage yourself. From: The Book of Rites by Dai Sheng in the Western Han Dynasty.
4, the light is the night of the third day, and it is the time for men to study. Teenagers only know how to play, but don't know how to study hard. When they are old, they regret why they didn't know how to study hard when they were young.
Meaning: Every midnight is the best time for boys to study. When they are young, they should know how to study hard and study hard. But if you only play and don't study hard, you will regret why you didn't study hard when you were young.
Extended data:
Diligence and self-discipline are easier said than done. Some students think they are stupid, not smart, or the teacher didn't teach them well because of their poor academic performance. In my opinion, good grades are not a question of talent and teacher education, but a word "lazy". Laziness is a weakness of human nature and an obstacle to life.
It is often said that laziness makes all diseases, and it is difficult to succeed. If you don't want to waste your life, you should try to get rid of laziness and become lazy and diligent. If a person wants to succeed, it is not enough to rely on intelligence alone, but also to add diligence and perseverance.
For example, Edison, a great inventor, made thousands of experiments in order to develop an ideal white woven lamp, and almost all metals were tested by him. It is with this spirit of struggle that he achieved the success of "weaving white lanterns" and became the king of inventions admired by the world.