The Nature of Man: Studies in Optimistic Philosophy

''The Nature of Man: Studies in Optimistic Philosophy'' by Élie Metchnikoff is a scientific work written in the early 20th century. The text explores the complexity of human nature, its disharmonies, and the implications of these aspects on morality and society. Metchnikoff delves into various philosophies and scientific discoveries, seeking to understand the fundamental essence of what it means to be human. At the start of the work, Metchnikoff reflects on the historical context and perspectives surrounding human nature, contrasting ancient Greek rationalism with religious doctrines that degrade it. He notes the general discontentment humanity faces despite scientific advancements, emphasizing the search for a rational foundation for morality grounded in human nature itself. Furthermore, he introduces the idea that disharmonies exist not only within individual humans but also in the natural world, urging a systematic exploration of these themes as foundational for understanding human existence.