Book excerpt: In this brief history, philosopher Nicholas White reviews 2,500years of philosophical thought about happiness. Addresses key questions such as: What is happiness? Shouldhappiness play such a dominant role in our lives? How can we dealwith conflicts between the various things that make us happy? Considers the ways in which major thinkers from antiquity tothe modern day have treated happiness: from Plato’s notion ofthe harmony of the soul, through to Nietzsche’s championingof conflict over harmony. Relates questions about happiness to ethics and to practicalphilosophy.