In "Extremely Loud and Incredibly Close," Jonathan Safran Foer explores the complex theme of suffering through the lens of his characters. The narrative delves into their emotional turmoil and the profound impact of loss, particularly in the wake of a traumatic event. The saying "the end of suffering does not justify the suffering" reflects the idea that the pain experienced by individuals cannot be overlooked simply because it may lead to some form of resolution or insight. This highlights the struggle to find meaning amidst overwhelming grief.

The book emphasizes that while resolutions may come after suffering, the scars it leaves behind remain significant. Foer's characters grapple with their experiences, signaling that understanding and healing take time and cannot erase past pain. Through their journeys, the author poignantly illustrates that suffering is a vital part of the human experience, deserving of acknowledgment and reflection, rather than a mere pathway to an end goal.