This philosophical work is a critical exploration of the origins and development of moral values. The author challenges conventional notions of good and evil, arguing that they evolved not from any inherent sense of justice, but rather as a means of exerting control over society. He presents a historical analysis of how morality has been used as a tool by the powerful to dominate the weak, and critiques the influence of religion and societal norms on our understanding of morality. The book is a profound examination of the nature of morality, its origins, and its impact on human behavior.

This novel centers around an impoverished, retired colonel who has been waiting for many years for the pension he was promised. Despite his increasing desperation and the urging of his wife, the colonel remains hopeful and proud, refusing to sell his only valuable possession, a rooster that he plans to enter in a cockfight. The story explores themes of poverty, pride, and the struggle for dignity amid difficult circumstances.

This book is a comprehensive collection of the philosophical, scientific, and mathematical works of a renowned 17th-century polymath. It includes his groundbreaking ideas in the fields of calculus, metaphysics, logic, and theology, as well as his correspondence with other notable intellectuals of his time. The compilation provides an in-depth look into his innovative concepts like the principle of sufficient reason, pre-established harmony, and monadology, offering a profound understanding of his significant contributions to the Age of Enlightenment.