Hamlet's statement about marriage can be interpreted in several ways. On one level, it could be seen as a commentary on the inevitability of death. Hamlet is suggesting that, regardless of one's marital status or other circumstances, death is ultimately unavoidable for all except one person. This interpretation aligns with the underlying theme of the soliloquy, which grapples with the fear of death and the uncertainty of what comes after.
Another possible interpretation is that Hamlet is expressing a sense of envy or regret towards those who are already married. He may feel that marriage offers a sense of stability, companionship, and fulfillment that he lacks in his own life. This interpretation ties into Hamlet's complex emotional state throughout the play, which is characterized by feelings of isolation, melancholy, and disillusionment.
Ultimately, Hamlet's statement about marriage is open to multiple interpretations and serves to enrich the overall complexity and depth of the soliloquy. It reflects Hamlet's introspective nature and the depth of his philosophical contemplation as he grapples with life's fundamental questions.