The UN can go as far as the U.S. will allow, and no further. And it's bound by conditions that the powerful states, which means mostly the U.S., impose.

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, it’s unlikely you will step up and take responsibility for making it so. If you assume that there’s no hope, you guarantee that there will be no hope. If you assume that there is an instinct for freedom, there are opportunities to change things, there’s a chance you may contribute to making a better world. The choice is yours.

Citizenship means every four years you put a mark somewhere and you go home and let other guys run the world. It's a very destructive ideology.

There is a big difference between tweeting to your friend about something that is happening and having a real personal relationship with people.

You can't get votes that way. So [the Republicans] have been compelled to mobilize a base of voters and gone to elements of the country that have always been there but were kind of marginal to the political system, for example, religious extremists.

Sometimes the former forces are in the ascendance, and "democratic governance" is eroded, though anyone familiar with intellectual history would expect that the slogans will be passionately proclaimed as they are drained of substantive content. We happen to be living in such an era, but as often before, there is no reason to suppose that the process is irreversible.

I think the use of language is a very important means by which this species, because of its biological nature, creates a kind of social space, to place itself in interactions with other people. It doesn't have much to do with communication in a narrow sense; that is, it doesn't involve transmission of information. There is much information transmitted but it is not the content of what is said that is transmitted.