Now, as the world's largest economy and as the world's second largest emitter, America bears our responsibility to address climate change, and we intend to meet that responsibility.

I will set big goals for this country as president - some so large that the technology to reach them does not yet exist.""I will recruit new teachers and make new investments in rural schools, we'll connect all of America to 21st century technology and telecommunications.

I think that whenever you have got an incoming president of the other side it takes a while for people to reconcile themselves with that new reality.

I'll go anywhere and I'll do whatever it takes to get this done. It's too important for Washington to screw this up. Now's the time for us to work on what we all agree to, which is let's keep middle-class taxes low. That's what our economy needs. That's what the American people deserve.

I don't know the facts of when Joe Soptic's wife got sick or when she died.

The terrorists do not speak for over a billion Muslims who reject their hateful ideology.

If you want some additional money for your school, we'll give it to you. But you've got to compete, show us that you're going to reform your education system so that our children are performing better.