"The Persistence of Memory", painted by Dali, 1931, oil on canvas, 24x33 cm, collected by the Museum of Modern Art, New York. The oil painting "The Persistence of Memory" painted in 1931 typically embodies Dali's early surrealist painting style. The picture shows an empty beach. Lying on the beach is a monster that looks like a horse but not a horse. Its front part looks like a human head fragment with only eyelashes, nose and tongue assembled absurdly. There is a monster beside it. There is a dead tree growing on the platform; and the most surprising thing is that several clocks that appear in this painting have become soft and malleable things. They appear soft or hanging. On branches, on platforms, or on the backs of monsters, it seems that these clocks made of metal, glass and other hard materials have been exhausted for too long and have become loose. Dali admitted that in the painting "The Persistence of Memory", he represented a kind of personal dream and hallucination revealed by Freud. He did not choose and recorded his subconscious and his own thoughts as accurately as possible. The result of every thought in a dream. In order to search for this kind of surreal hallucination, he once went to a mental hospital to understand the consciousness of patients, believing that their words and actions are often the most sincere reflection of the subconscious world. Dali used his skilled skills to carefully depict those bizarre images and details, creating a sense of reality that causes hallucinations, allowing the audience to see a bizarre and interesting scene that cannot be seen in real life, and experience the spirit. The patient's relief from the order of the real world may be the real charm of surrealist painting. Dali's method of contrasting hallucinatory imagery with magical realism makes his paintings the most well-known among all surrealist works.

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