The book "Elements of morality with a special application of the moral law to the duties of an individual, society and the state" by the author Paul Janet is a fundamental study in the field of ethics. This work examines the key concepts of morality, their meaning and application to specific life situations. The author examines the relationship of moral principles to a single person, society and the state, and also shows the importance of observing moral norms for the harmonious functioning of society. The book is aimed at readers who are interested in philosophy, ethics and moral issues of the modern world. It will inspire you to discuss and reflect on your own moral values and beliefs.