The book of X. Hofmeister (Professor, Head of the Department of Philosophy of the Theological Faculty of Heidelberg University and Honorary Professor of the Faculty of Philosophy of St. Petersburg State University) is devoted to understanding the fundamental problems of philosophical thought, its structure and development of basic concepts. The purpose of his reflections is to look from the outside at the path along which logically and historically various types of philosophers and famous philosophers moved towards what is today called philosophical knowledge.