Zu Chongzhi in the Southern Dynasties, under the extremely simple conditions at that time, made a lot of complicated calculations with pieces of small bamboo pieces. After numerous failures, he was finally the first in the world to make Pi accurate to the seventh place after the decimal point. Lu Xun also hesitated, Goethe and Beethoven tried to commit suicide, but they both stubbornly overcame their depression and weakness. Through my own efforts, I finally walked firmly towards the truth and honed my will and perseverance. There is a famous saying: "A person's life is like a flood. It is difficult to stir up beautiful waves without encountering an island reef." The story of Wang Zhao Gou Jian's hard struggle has always been a model for later generations to rise up against adversity. Confucius wrote the Spring and Autumn Period in frustration, Qu Yuan wrote Li Sao in exile, and Cao Xueqin wrote a dream of red mansions in the pain of family destruction ... Student example: Beethoven experienced countless hardships in his life. However, he didn't give in to fate. He said, "I want to hold my destiny by the throat. It can never completely overwhelm me! " "All kinds of hardships and setbacks have sharpened his will and inspired his enterprising spirit. Tan Qian, Paganini, Lincoln, For example, Li Shizhen, a famous medical scientist in Ming Dynasty, tried to be a juror three times and failed three times. Later, he decided to study medicine, and finally wrote the Compendium of Materia Medica, which has been passed down through the ages. Sima Qian, an outstanding historian and writer in Han Dynasty, was originally an official. He was a doctor at first, and then his stepfather served as Taishiling. Finally, he offended Emperor Wu of the Han Dynasty by defending the important mausoleum that surrendered to the Huns. He was not only imprisoned, but also imprisoned. Under such setbacks and blows, he turned to writing with indignation and finally wrote Historical Records, a great historical and literary masterpiece. King Wen was arrested and played Zhouyi; Zhong You wrote Spring and Autumn Annals; Qu Yuan's exile is a tribute to Li Sao. Zuo Qiu is blind and has "Mandarin"; Sun Tzu tiptoed, and Sun Tzu's art of war was revised ... There was once a drug expert in Japan. Although he experienced 605 setbacks and failures in succession, he was not discouraged, but kept summing up experience until the 606th trial production, so people called this drug "606". If teenagers want to achieve something, they must have this indomitable fighting spirit that is not afraid of failure, frustration and perseverance. The fragrance of plum blossoms needs to pass the cold test of winter solstice and December. So do people. Anyone who has made a difference in history has been honed through difficult setbacks. " The blade is sharpened, and the plum blossom is fragrant and bitter. "Question: At all times and in all countries, anyone who makes a difference will be tempered by setbacks, but will those who experience setbacks succeed? In history, Liu Bei also encountered the frustration of losing his second brother, but how did he treat it? Faced with the frustration of losing his second brother, Liu Bei, a "white emperor who entrusted an orphan", could not let go of his brotherly feelings and magnified the pain. As a result, he made a wrong decision in pain and rushed to send troops to attack Wu, which led to the eternal tragedy of "the white emperor entrusted the orphan." Pathetic! Pathetic! French writer Balzac said: "frustration is like a stone, which is a stumbling block to the weak and makes you shy;" "For the strong, it is a stepping stone to make you stand higher."