I favor a form of cosmopolitanism that takes nations very seriously, particularly because of the role of national law in sustaining or, unfortunately, undermining human rights. Some cosmopolitans take the metaphor of global citizenship - the etymology of the word, after all, just comes from a Greek phrase meaning citizen of the world - to rule out taking national citizenship seriously. I think that's a big mistake. Why can't I be loyal to America and to humanity? After all, I can be loyal to America and to New York city!

The challenge, then, is to take minds and hearts formed over the long millennia of living in local troops and equip them with ideas and institutions that will allow us to live together as the global tribe we have become.

There are many people of cosmopolitan temperament who are not from the elites of their societies or the world; and while, for a variety of reasons, I think a cosmopolitan spirit does naturally go with city life, that's the life of a very large proportion of human beings today. And I don't think rural people can't be cosmopolitan, in my sense.

Unless you have the power to stop the government of Iran beheading teenagers for homosexual acts, there's not much to be done except deplore it unless you are willing to converse with people about why they thinking this is okay.

I started philosophy looking for answers. But along the way I came to prize exploring the questions. Progress in philosophy consists, I think, in a clearer delineation of the conceptual options, not in reaching determinate conclusions.

When philosophers talk about reason they often have in mind Having been in the business of philosophy more than half my life, I have learned that reason doesn't change many minds. But there's a more ordinary sense of resonableness, which involves not just logic but a sensitivity to other peoples real concerns, a desire to understand, even when you don't agree. Many people are reasonable in this way.I'm willing to think that the world will be made better by the conversations of reasonable people, even if there are unreasonable people and people who don't want to converse as well.

Cosmopolitans begin, I think, with a sense of one thing we all certainly share, which is our fallibility. Nobody has reason to be confident that they're right about everything. That's one of the motivations for conversation across differences. It's in my interest to converse with people who are wrong about different things from the ones I'm wrong about!