This sentence is Santiago’s inner monologue and the core spirit of the novel. It vividly reveals Santiago’s inner world and pursuit of life. It is also the embodiment of the author Hemingway’s ideological outlook and values. reflect. This sentence means that the mission of life is to struggle and to fight against fate unremittingly. Although life is faced with various natural and social challenges, these challenges may be strong enough to destroy the human body, but as long as a person maintains a strong fighting spirit and an unyielding spirit in the face of any difficulties and obstacles, he will always be the winner. Although the old fisherman Santiago in the novel failed to save the big marlin in the end, in the process of fighting the shark, he showed unparalleled strength and courage without losing human dignity, and was a spiritual winner.