Much of what is dangerous about them has to do with the way identities—religion, nation, race, class, and culture—divide us and set us against one another. They can be the enemies of human solidarity, the sources of war, horsemen of a score of apocalypses from apartheid to genocide. Yet these errors are also central to the way identities unite us today. We need to reform them because, at their best, they make it possible for groups, large and small, to do things together. They are the lies that bind.
