Here's a breakdown of how this theme plays out:
* Poirot's final case: Curtain marks Poirot's final case, and his awareness of his own mortality is prominent throughout the story. He knows he is nearing the end of his life and is determined to solve one last mystery. This sets the stage for a poignant reflection on the meaning of life and legacy.
* The killer's motive: The killer in "Curtain" is motivated by a twisted sense of justice and a belief that death is the ultimate solution to problems. This perspective highlights the dark side of confronting mortality and the potential for despair and violence in the face of death.
* Poirot's philosophical musings: Throughout the novel, Poirot reflects on the nature of life, death, and the value of human relationships. He grapples with the inevitability of his own demise and seeks to find meaning in his life's work.
* The legacy of Poirot: The novel concludes with Poirot's death, leaving his companions and readers to ponder the legacy of a remarkable detective. His final case serves as a testament to his brilliance and his enduring impact on those around him.
In essence, "Curtain" is a meditation on death, but it also explores themes of justice, truth, and the enduring power of human connection. It ultimately leaves us with a sense of the profound mystery of life and the importance of appreciating the preciousness of each day.