When we succeed, we succeed because of our individual initiative, but also because we do things together.

We've got to identify new strategies to use cleaner energy, because that is a recipe for reducing the overall amount of pollution that's out there.

We are willing to uphold principles that have resulted in unprecedented prosperity and security throughout Europe and around the world. With the threat of climate change only becoming more urgent, Angela [Merkel] and I focused on the need for American and E.U. leadership to advance global cooperation.

The most powerful political moments for me come when I feel like my actions are aligned with a certain truth. I can feel it. When I'm talking to a group and I'm saying something truthful, I can feel a power that comes out of those statements that is different than when I'm just being glib or clever.

There's so much active misinformation and it's packaged very well and it looks the same when you see it on a Facebook page or you turn on your television. If everything seems to be the same and no distinctions are made, then we won't know what to protect.

We are the party of Roosevelt. We are the party of Kennedy. So don't tell me that Democrats won't defend this country. Don't tell me that Democrats won't keep us safe.

There are times where I'd say the Oval Office, you use to gather the facts. The decisions you probably make late at night, or at least I do. But there are some times where you think you've made a decision, but during that walk, where you're announcing the decision, you've just got to make sure that, you're prepared to live with it, because as you know George, a lot of these decisions are not - the outcomes are uncertain.