The book "Life and views of outstanding philosophers" by Diogenes Laertius is a unique work that offers the reader a deep insight into the world of ancient philosophy. In many cases, the author relies not on standard analytical sources, but on his own observations and sources from the lives of philosophers. In the book you will find stories about the life and teachings of such great philosophers as Plato, Aristotle, Socrates and many others. The author reveals not only the philosophical views of scientists, but also various interesting pages of their personal lives. This book is an important document that reflects not only the history of philosophy, but also the broad cultural and intellectual environment of antiquity.