"Triste Fim de Policarpo Quaresma" is a novel by Brazilian author Lima Barreto, published in 1915. The story follows Policarpo Quaresma, a patriotic man who is deeply devoted to his country and dreams of improving Brazil. His idealism leads him to pursue various projects, but he faces constant obstacles and societal indifference. As the narrative unfolds, Policarpo's unwavering commitment to his ideals ultimately results in his tragic downfall. The novel explores themes of nationalism, social injustice, and the conflict between individual aspirations and societal realities, reflecting the complexities of Brazilian identity during that era.