Julian Baggini’s How the World Thinks is there to fill the Sapiens-size hole in your life’ Observer’s guide to Autumn in culture In this groundbreaking global overview of philosophy, Julian Baggini travels the world to provide a wide-ranging map of human thought. One of the great unexplained wonders of human history is that written philosophy flowered entirely separately in China, India and Ancient Greece at more or less the same time. These early philosophies have had a profound impact on the development of distinctive cultures in different parts of the world.