America can't provide health care to people who need it. We can't invest in science and technology, which will determine whether or not we are going to be competitive in the long term. There has never been a country on Earth that saw its economy decline and yet maintained its military superiority.

Sanctions alone could not stop Iran's nuclear program. But they did help bring Iran to the negotiating table.

Robin Williams was an airman, a doctor, a genie, a nanny, a president, a professor, a bangarang Peter Pan, and everything in between. But he was one of a kind....He arrived in our lives as an alien but he ended up touching every element of the human spirit

As you get older, your mind gets a little more set. And it needs the poking and prodding and breaking through of stereotypes that I think young people provide.

The 20th Century was a bloodbath, and for all the frustrations and failures of the project to unify Europe, the last five decades have been periods of unprecedented peace, growth, and prosperity in Europe.

For the world has changed, and we must change with it

I marched with you in the streets of Chicago to meet our immigration challenge. I fought with you in the Senate for comprehensive immigration reform. And I will make it a top priority in my first year as President.