"A Philosophical Dictionary, Volume 01" is a publication of the French philosopher and writer Voltaire, which collects the rich philosophical work of the author. This book is a collection of short essays on a variety of topics, from religion and morality to politics and science. Voltaire maintains his characteristic sarcastic and lively manner of presenting the material, which makes the reading not only useful but also fascinating. "A Philosophical Dictionary, Volume 01" is an important work for everyone who is interested in the philosophy of the Enlightenment and wants to deepen their knowledge of the main philosophical concepts of the 18th century.