In "Everything Is Illuminated," Jonathan Safran Foer explores the interconnectedness of past and present, illustrating how historical events shape current realities. This theme emphasizes that our current circumstances are the result of earlier actions and decisions, reflecting a continuous cycle of influence over time. Foer showcases characters who navigate their histories to seek understanding and closure, demonstrating that acknowledging the past is essential for comprehending one’s identity.

The quote, "Everything is the way it is because everything was the way it was," encapsulates the book's core message. It serves as a reminder that the present is intricately tied to the past, urging readers to reflect on how previous experiences inform their lives today. Through narrative and character development, Foer effectively conveys the weight of memory and the significance of history in shaping human experience.