If you believe in a security strategy - a strategy of more friends and fewer enemies, a strategy of greater cooperation and a strategy of keeping America better at home as we grow more diverse - we have to build the minds and hearts to build this kind of world.

...More important than the deficit, more important then healthcare-more important than anything-we have got to do something about our energy strategy. Because if we permit the climate to continue to warm at an unsustainable rate, and if we keep on doing what we're doing until we're out of oil and we haven't made the transition, then it's inconceivable to me that our children and grandchildren will be able to maintain the American way of life and that the world won't be much fuller of resource-based wars of all kinds.

Some people say well we need a change. Hillary Clinton is been around a long, she sure has, and she's sure been worth every single year she's put into making people's lives better.

We cannot build our own future without helping others to build theirs.

A man is more than the sum of all the things he can do.

I mean, when's the last time we elected a president based on one year of service in the Senate before he started running? I mean, he will have been a senator longer by the time he's inaugurated, but essentially once you start running for president full time you don't have time to do much else.

When you strip away all the little things that divide us, it's important to remember how tied we are