551 years ago today, on September 8, 1474 (July 27, 1474 lunar calendar), the famous Italian poet Ariosto was born. L. Ariosto (1474~ 1533), Italian poet of the Renaissance. Born on September 8, 1474, in a declining noble family in Reggio, Emilia, northern Italy. Initially studied law, but developed a strong interest in classical literature and humanism, studied hard, and achieved deep attainments. In 1502, he entered the court of Ferrara, served under the Duke of Este, and served as the administrator of a remote mountainous area. He was ordered to send Rome and other city-states to write some love poems and lamentations in Latin and colloquialism in the early years. The more famous one is seven "Satirical Poems", written between 1517 and 1525, which are letters to relatives and friends written in three rhymes, expressing unsatisfactory situations, and criticizing current affairs. His comedies "Lena" (1528~ 1529), "Wizard" (1528), etc. The long legendary narrative poem "Crazy Roland" is his masterpiece. He began writing in 1502 and finally got the manuscript ready in 1532, which lasted 30 years. The author borrows the genre of chivalrous legends popular in the Middle Ages to reflect the real life of Italy and express humanistic ideas. He depicts the beauty of nature with beautiful brushstrokes to express his praise for life in the world; he writes stories of young men and women of different religious beliefs who have the courage to overcome difficulties and obstacles and passionately love each other. It is a criticism of medieval religious prejudice and asceticism, and a celebration of love and heroism. With patriotic passion, he condemns the disasters brought to Italy by foreign invaders and feudal monarchs, and demands freedom, unity, peace and happiness for Italy. "Crazy Roland" is a picture scroll of social life in the Italian Renaissance.