La lanterna di Diogene is a philosophical and humorous book by the Italian writer Alfredo Panzini. In this work, the author expresses his thoughts about life and the meaning of existence, using the vivid image of the lantern of Diogenes, an ancient Greek philosopher who sought virtue and truth in the world. Panzini reproduces the thoughts of Diogenes the lantern through the prism of modern realities, deeply analyzing social phenomena and human relationships. The book La lanterna di Diogene captivates with its philosophy, sharp humor and witty statements, inspiring the reader to reflect on important aspects of life.