Any complex things can be explained simply. The book uses new logical approaches to present all the key topics of philosophy in simple word forms, quite understandable to a high school student.The book is about the meaning of human life. Dialectical ideology opens a clear path to the world of perfect ethics and the highest creative abilities for each individual human being (taking into account his natural abilities). Time has shown that ethical and cognitive problems are the most important today for the preservation of humanity as a species.The second subject of the science of ideology is the state. The ideology of the state is valid for any state because it formulates the generally accepted principles of education, democracy, freedom and justice and is based on the ideas of the great English philosopher Hobbes.The scientific significance of the book lies in the fact that it is a convenient vehicle for interdisciplinary seminar for scholars of various private sciences, and it contains a number of new ideas in the field of upbringing and education.