Soviet scholars have made an image metaphor: if a normal person plays half of his potential, he will master more than 40 foreign languages, complete dozens of university courses, and can stack up several thick encyclopedias of the whole Soviet Union, and recite them thoroughly. A kind ofPut a flea in the cup. At first, fleas can jump out of the cup in a flash. Then, psychologists cover the cup with a transparent cover, fleas will still jump up, but after a few times of touching the cover, it hurts, and then they don't jump that high. Then the psychologist took the lid away and found that the flea could never jump out of the cup. Because it sets the target at a height that is not enough to cover. A kind ofSummary: everyone yearns for success, but only a few people can really succeed. The reason is that only a few people are not afraid of hardship and are willing to persevere. To succeed, we must pay the sweat that others do not want to pay. We must persist and let ourselves succeed.