The impact of war on Karl Jaspers' philosophical writings is significant, particularly in his reflections on existentialism and the human condition. Jaspers served in World War I, which profoundly affected his views on freedom, guilt, and responsibility. The brutality of war led him to explore themes of alienation and the search for meaning in an increasingly chaotic world. His works, such as "Philosophy of Existence," grapple with the moral dilemmas stemming from conflict and humanity's collective search for understanding. Jaspers emphasized the necessity of existential reflection as a response to the deep wounds inflicted by war.