The measurement in this race is not where you come from, it is "what do you fight for."

We have to create a process which has legitimacy for the people of Syria. And we have to have a process where the Russians and the Iranians and the neighbors - all of them, Saudis, Turks, Qataris, a very complicated brew - that you have to bring them together and they can find agreement. That's the fundamental premise of the Geneva Communique that you will have, by mutual consent, a process of transition.

The Russians need to understand that you cannot have peace [in Syria] unless you resolve the question of Sunni buy-in.

I came into public life during the 1960s when a whole bunch of us believed in our ability to change the world. And we did a lot of things.

The consequences of a crime should not be out of proportion to the crime itself.

I've met foreign leaders who can't go out and say this publicly, but boy, they look at you and say, you've got to win this, you've got to beat this guy, we need a new policy, things like that.

I am sympathetic to developing countries’ concerns: because of our emissions it’s their crops that will disappear; because of our inaction, it’s their fields that turn to desert...