As the world's largest economy and second-largest carbon emitter, as a country with unsurpassed ability to drive innovation and scientific breakthroughs, as the country that people around the world continue to look to in times of crisis, we've got a vital role to play. We can't stand on the sidelines. We've got a unique responsibility.

I want every math teacher to know math. I want every science teacher to have expertise in science. I want them to know how to inspire and engage young people.

I will support Iraqis and Syrians fighting to reclaim their communities.

I know CNN has taken some knocks lately but the fact is, I admire their commitment to covering all sides of the story, just in case one of them happens to be accurate.

We can't change the way Washington works unless we first change how Congress works.

Reversing structural problems in our economy that have been building up for two decades, that was gonna take time. It was gonna take more than a year. It was gonna take more than two years. It was gonna take more than one term. Probably takes more than one president.

We ask our men and women in uniform to leave their families, our guardsmen and reservists to leave their jobs. We ask you to fight, to sacrifice, to risk your lives for your country. The last thing you should have to do is fight for a job when you come home.