"Or Treatise on Human Nature" is the fundamental work of the great Scottish philosopher David Hume, which founded a new era in the history of philosophy. In this book, the author analyzes the nature of the human mind, the empirical source of our knowledge, the essence of morality and religion. Hume offers a new approach to morality in which emotions play an important role, destroying traditional concepts of moral norms. This book became the foundation for the further development of philosophy and psychology, opening new ways of researching human nature.