In "HMS Surprise" by Patrick O'Brian, the phrase "now and at the hour of our death" serves as a profound reflection on the human condition. It captures the essence of living fully in the present while acknowledging the inevitability of mortality. The characters often grapple with their fates at sea, reminding readers that life is precious and fleeting. This theme resonates throughout the narrative as the crew faces dangers and challenges. Their camaraderie and struggles highlight the importance of seizing the moment, reinforcing the notion that each moment is vital, both in life and at the point of death.

The phrase "now and at the hour of our death" encapsulates a deep understanding of life's temporary nature and the importance of cherishing each moment.

In "HMS Surprise," this concept enhances the story's exploration of duty, friendship, and the stark realities of life at sea.