Abby notices a wooden sign at the foot of a bed that reads, "I'm only passing through... this world is not my home," which reflects a deeper philosophical idea about life and existence. This quote may remind her, and the readers, that earthly life is temporary and encourages a perspective that transcends material attachments.
The sentiment behind the quote highlights the belief that one's true home lies beyond the physical world, possibly in a spiritual or eternal realm. It resonates with themes of hope and the journey of life, emphasizing the importance of valuing connections and experiences instead of solely focusing on worldly pursuits.