Happiness is a very general concept, easily to be put aside in studies about urbanization and urbanism. It can also serve as a starting point to dig deeper, once taken seriously. ‘It is, after all, the reason behind everything we do.’ ‘On a more fundamental level, we will explore the philosophical underpinnings of happiness, as a set of values that determine not only what sparks joy, but also what gives meaning to our lives.’ Please find an updated and more detailed description of graduations that address ‘happy cities’ from a complex cities perspective here.