1. During the Spring and Autumn Period, Yu Boya was the best person at that time, but he played the piano all day long and was not appreciated by anyone. One day, I met Zhong Ziqi. When Ziqi heard the sound of Bo Ya's zither, he said that his ambition was high in the mountains. Running water. The two became irreversible fathers. Later, Ziqi died of illness. Boya lamented that he had no close friend, so he threw away his cherished qin and stopped playing it. 2. Fan Zhongyan of the Northern Song Dynasty angered the court because he advocated reforms and was demoted to Yingzhou. When Fan Zhongyan packed up and left Beijing, some officials who usually lived with him avoided him for fear of being said to be cronies. This was not the case for an official named Wang Zhi. He was sick at home. After hearing the news, he immediately went to the hospital and took Fan Zhongyan outside the city gate in a big way. In that feudal society where one person's crime implicated nine tribes, Wang Zhi's ability to treat his friends sincerely regardless of personal gains and losses is truly commendable compared with those who forget their loyalty for the sake of profit. For Fan Zhongyan, it is clear at this moment who is a true friend and who is a false friend. 3. "The Biography of Zhang Feng Jizheng in the Han Dynasty" records: Zhai Gong once served as a court official. At that time, it can be said that the house was full of guests, but when he was dismissed, the gate was so cold that he could set up a net to catch birds. Soon after, he became a court official again, and those guests wanted to curry favor with him again, so Zhai Gong wrote conspicuously on the door: "One death, one life, is a friendship; one poor, one rich, is a friendship; one noble, one humble, Friendship is knowledge.” (“Only between life and death can one know the depth of friendship; between poverty, one can know the true attitude of friends; between noble and humble, one can know what true friendship is.”) 4. Engels with Marx. In order to economically support Marx's revolutionary activities, Engels helped his father run a business that he hated against his will. Although he and Marx lived in the same city at that time, they corresponded almost every day, encouraging and promoting each other in the revolutionary cause. After Marx's death, Engels took on the role of sorting out the manuscripts and edited and published the second and third volumes of "Das Kapital", completing the unfinished work of his comrades. It can be seen that common ideals and life goals are the basis for establishing friendship. 5. Guan Zhong and Bao Shuya have been good friends since childhood. Bao Shuya knew that Guan Zhong was a talented person. Guan Zhong and Bao Shuya shared a lot of dividends when they were doing business together. Bao Shuya didn't think Guan Zhong was greedy and knew that his family was poor. When Guan Zhong fought, he advanced first when attacking and ran first when retreating. Bao Shuya didn't think Guan Zhong was timid because he knew that he had an old mother at home. When Guan Zhong was dying, Duke Heng of Qi asked him to recommend a successor, but he did not recommend Bao Shuya. Someone told Bao Shuya, and Bao Shuya said, I hate evil as much as I hate enemies. When I am the prime minister, I will mess up things. Guan Zhong understands me! -- Friendship Quotes Friendship is the greatest joy in life. --(UK) Hume Friendship does not require clinking glasses, friendship does not require gifts, friendship is just that we will not forget. - Wang Meng Friendship - is the melody of pure life that makes youth rich and colorful, and is an extremely beautiful hymn of youth. --(Japan) Daisaku Ikeda Friendship is a feeling of mutual attraction, so it can be encountered but not sought. - Roland Friendship between people is not due to indescribable benefits, but rather indescribable benefits. -- Qian Zhongshu Friendship is impossible without mutual respect.