" How Steel Was Tempered " was a classic Russian revolutionary novel, which described the growth of the protagonist, Pavel Kochagin, during the Soviet Union's industrial period. The most unforgettable plot or event might be the following scene: In the novel, Paul was forced to leave the classroom and run on the playground when he was in middle school because he was punished by the teacher for being mischievous. He ran as hard as he could, almost out of control, but he managed to make it to the classroom and save his life. This scene depicted Kochagin's tenacity and courage in adversity, showing his indomitable vitality and cherishing life. This scene became a classic scene in the novel and one of the reasons why readers loved this work. It depicted the growth of a teenager in the test of life and death, showing the courage and tenacity of human beings in the face of difficulties and setbacks, with profound enlightenment.