"I want you to look to the future, but I believe underneath all these debates that are going on today lingers one simple question. We all know we live in an interdependent world... it's been good to us and a lot of people we know. ... It's not whether we are able to roll back the biggest threats of climate change, or able to help education and humanity, its the way we are able to think about these things. ... The most important thing is whether you believe social strength, economic reform and political reform flow from division or multiplication..."