"The Better Angels of Our Nature" by Steven Pinker is a comprehensive non-fiction book that explores the remarkable development of violence throughout human history. Pinker argues that humanity is living in one of the most peaceful eras ever recorded and highlights the factors that have contributed to this decline in violence. The book analyzes various aspects of life that are influenced by this development and poses the question of how the perception of violence affects our understanding of meaning and purpose in life. With 832 pages, it offers an in-depth examination of historical trends and their impact on modern society. Pinker's arguments are both provocative and enlightening, encouraging reflection on the progress of civilization.