The book "The Greatest Books of the World. Volume 13. Religion and Philosophy" is a collection of outstanding works devoted to religion and philosophy. This volume contains works that influenced world culture and worldview, helping to understand the essence of human existence and relations with the cosmos and the Supreme. The authors and philosophers featured in the collection explore various aspects of religion and philosophy, helping readers ponder the big questions of life, morality, and spirituality. This book is an important source of knowledge for those interested in religion, philosophy, and the development of world thought.