Gu Yanwu’s famous saying is: I wish to level the East China Sea, and my body and mind will not change; the sea will never be flat, but my heart will never end. "I am willing to level the East China Sea, even if my body sinks, my heart will not change; the sea will never be flat, but my heart will never be flat" means: I vow to level the East China Sea. Even if my body sinks, my ambition will not change. As long as the sea does not Being filled up, my heart to fill up the sea will never be extinguished. It comes from "Everything Is Unfair in Jingwei" written by Gu Yanwu in the Ming Dynasty. The poet compares himself to the Jingwei bird and is determined to use the spirit of the Jingwei bird to fill up the sea to achieve his goal of resisting the Qing Dynasty and restoring the Ming Dynasty. and the great cause of writing a masterpiece express the author's determination to carry out the struggle to restore the country to the end. Gu Yanwu, a thinker and scholar in the late Ming Dynasty and early Qing Dynasty, was from Kunshan, South Zhili. He advocated "being knowledgeable in literature" and "having shame in doing one's own business". He emphasized that learning to manage the world should explore the original story of one's own life and the affairs of the world and the country, and opposed The Kongshu style of study in the late Ming Dynasty was all about talking about the nature of mind.