What does Chen Duxiu's poem express?

The poem expresses Chen Duxiu's strength and determination in the face of difficulties and setbacks, and is full of yearning for ideals, beliefs and pursuits. It is written in the poem that success or failure depends only on fame and fortune, we should do whatever we want, meet by chance, and never forget the revolutionary foundation. This means that life is full of ups and downs in the struggle of big waves, and sometimes it is difficult for us to control our own destiny. But he can devote his whole life to the great cause, and get progress and victory in practice, which expresses the author's continuous learning in guiding culture, advanced ideas and democracy and freedom.