It will be up to each of you to make sure that young people, African Americans, Latinos and women who powered our victory in 2008 stand together once again.

The biggest threat, when it comes to climate change and pollution, isn't going to come from us because we only have 300 million people. It's going to come from China with over 1 billion people and India with over 1 billion people.

Maybe you could be a great writer - maybe even good enough to write a book or articles in a newspaper - but you might not know it until you write that English paper - that English class paper that's assigned to you.

Clearly, Iran has influence in Iraq. Iraq has a majority Shi'a population, they have relationships to Iran. Some are natural.

We ask for nothing more than the chance to blaze our own trail, and yet each of us is only here because somebody, somewhere, helped us find our path. That`s part of what makes America exceptional. We are family and we`ll do anything to help each other along the way.

We are not a nation that says, 'Don’t ask, don’t tell.' We are a nation that says, 'Out of many, we are one.' We are a nation that welcomes the service of every patriot. We are a nation that believes that all men and women are created equal. Those are the ideals that generations have fought for. Those are the ideals that we upheld today.

Steve was among the greatest of American innovators - brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it...The world has lost a visionary. And there may be no greater tribute to Steve's success than the fact that much of the world learned of his passing on a device he invented.