You have the ability and gifts to do whatever you want". It is your turn now to change the world. Yes we can!

If people, whether they are conservative or liberal, left or right, are unwilling to compromise and engage in the democratic process, and are taking absolutist views, and demonizing opponents, then democracy will break down.

ISIS is a virulent, nasty organization that has gained a foothold in ungoverned spaces effectively in Syria and parts of western Iraq. We have to take it seriously. They've shown in Paris what they can do in an organized fashion.

We, the people, still believe that our obligations as Americans are not just to ourselves, but to all posterity.

America, now is not the time for small plans.

As I travel around the world, it's fascinating; European leaders, Asian leaders, they all say to me, America is actually poised to be the world leader for another century - if we can fix some of this political dysfunction. ... We've got a lot of national security challenges, but if we get our economy together, and if we can get our political system to work well, I am really confident about our future.

I think that what is always true when you run against an incumbent president is, is that you end up talking more about that president's record than your vision for the future, and I think that the Democrats do have to present a proactive agenda and vision for the country and not simply run against something if they're going to be successful.