Zeno's Conscience (La Conscienza di Zeno), by Italo Svevo, is a masterpiece of Italian literature of the 20th century. The book is narrated by Zeno Cosini, a middle-aged man who decides to write his memories in an attempt to understand himself and his life. Through his reflections, the author explores themes such as identity, psychoanalysis, death, illness, and love.

The narrative is filled with humor and irony, but it is also deeply philosophical and introspective. Zeno is a complex and contradictory character whose actions are often motivated by selfish and thoughtless impulses. The author accurately describes the human mind, with its contradictions and weaknesses.

Svevo is a master in creating memorable characters, such as the sisters Ada, whom he is in love with, and Augusta, and Guido, his rival in the conquest of Ada. Svevo's language is clear, innovative, and ironic. Zeno's Conscience is a work that challenges the reader to reflect on life and human nature, and continues to be one of the most important and influential works of Italian literature.