Any complex things can be explained simply. The book uses new logical approaches to present all the key topics of the science of philosophy in simple verbal forms that are quite understandable to high school students. A book 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 person (taking into account the natural abilities of each). Time has shown that ethical and cognitive issues are the most important 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, since it formulates the principles of its development. The book develops the principles of education, democracy, freedom and justice and is based on the generally accepted ideas of the great English philosopher Hobbes. The scientific significance of the book lies in the fact that it is a convenient means of interdisciplinary seminar for scientists of various special sciences, and contains a number of new ideas in the field of upbringing and education.