In Philip Pullman's "Northern Lights," Lyra experiences a powerful revelation about hope and its transformative effects. She comes to understand how hope can inspire individuals, giving them strength and motivation to overcome difficulties. This realization deepens her character and highlights the theme of hope as a driving force in their journey.

Through her journey, Lyra witnesses how hope not only influences her actions but also impacts those around her. It becomes a pivotal emotion that connects and uplifts everyone in the story, illustrating the profound significance of maintaining hope, even in the face of adversity.