The quote expresses the speaker's confidence in his youth and the strength it brings. He suggests that he has the potential to provide a prosperous future, symbolized by having many fine sons. This indicates a sense of optimism and legacy, contrasting the idea of death with the continuity of life through his offspring.
Furthermore, the speaker reassures that the woman in his life will not suffer from prolonged grief over his death. Instead, he emphasizes the belief that his contributions will ensure lasting happiness for her, highlighting themes of resilience and the cycle of life, as he focuses on what his life can offer rather than the sorrow of loss.