People still have different religions and national identities. But when it comes to the practical stuff – how to build a state, an economy, a hospital or a bomb – almost all of us belong to the same civilisation. There are disagreements, no doubt, but then all civilisations have their internal disputes. Indeed, they are defined by these disputes. When trying to outline their identity, people often make a grocery list of common traits. That’s a mistake. They would fare much better if they made a list of common conflicts and dilemmas.
