We need scientists to design new fuels. We need farmers to help grow them. We need engineers to invent new technologies. We need entrepreneurs to sell those technologies. We need workers to operate assembly lines that hum with high-tech, zero-carbon components. We need builders to hammer into place the foundations for a clean energy age. We need diplomats and businessmen and women, and Peace Corps volunteers to help developing nations skip past the dirty phase of development and transition to sustainable sources of energy. In other words, we need you.

I think we want to see new voices and new ideas emerge - that's part of the reason why term limits are a really useful thing.

We know the battle ahead will be long, but always remember that no matter what obstacles stand in our way, nothing can stand in the way of the power of millions of voices calling for change. We have been told we cannot do this by a chorus of cynics. They will only grow louder and more dissonant. We've been asked to pause for a reality check. We've been warned against offering the people of this nation false hope. But in the unlikely story that is America, there has never been anything false about hope.

I know that there are those who disagree with the overwhelming scientific evidence on climate change. But here's the thing -- even if you doubt the evidence, providing incentives for energy-efficien cy and clean energy are the right thing to do for our future -- because the nation that leads the clean energy economy will be the nation that leads the global economy. And America must be that nation.

There’s no black male my age, who’s a professional, who hasn’t come out of a restaurant and is waiting for their car and somebody didn’t hand them their car keys.

State visits are often an opportunity for the United States to reaffirm our ties and friendship with our closest partners around the world.

I always enjoy watching Republicans compliment Bill Clinton now, because at the time, I'm sure he didn't feel a lot of the love.