In Jonathan Safran Foer's "Extremely Loud and Incredibly Close," the narrative explores profound themes about human emotion and connection. The quote "Only humans can cry tears" encapsulates the uniqueness of human experiences, particularly the ability to express deep emotions through tears. This reflects the characters' struggles with grief and loss, emphasizing how these feelings are intrinsic to the human condition.

The book's protagonist, Oskar, navigates a world filled with sorrow after losing his father. His journey illustrates the complexities of dealing with trauma and seeking solace. The act of crying serves as a reminder of vulnerability, and through Oskar's perspective, readers are invited to reflect on their own emotional landscapes and the power of human relationships.