The heart is in Tianshan Mountain, and the old Cangzhou comes from Lu You's "Complaining for Wan Li's Love". The author Lu You was influenced by his family's patriotic thought of loyalty to the monarch when he was young. He took resisting gold as his responsibility all his life and was full of blood to defend his country. However, in his later years, he was repeatedly relegated to Yin Shan.
This sentence reflects the contradiction between reality and ideal through his own experience, expresses his great indignation at the Southern Song ruling group's policy of subjugating the country and benefiting the people and his deep helplessness to reality, and expresses his deep depression and tragic mood that his martyrs never forget the worries of the nation in their twilight years, but are full of ambitions.
Who would have expected that a man like me, who devoted his life to restoring the Central Plains and was always ready to go to the battlefield and die for his country, would end up like this! Now that he has been dismissed from office and returned to his hometown, he has to put on a fisherman's gun, become an unknown hermit by the river, and die at the shore of Jinghu Lake.