"The Mark of Athena" by Rick Riordan highlights the pivotal role that horses play in the story. The quote suggests that without the aid and presence of these noble creatures, a character named Piper could have faced grave danger or even death. This emphasizes the bond between humans and animals, particularly in moments of peril, showcasing the importance of allies in challenging situations.

The story encapsulates themes of friendship and loyalty, reflecting how vital support systems are to survival. The mention of horses symbolizes strength and trust, reminding readers of their significant impact in both the narrative and the lives of the characters, ultimately underscoring their interconnectedness in overcoming obstacles.