Having a tax code that rewards companies that are shipping jobs overseas instead of companies that are investing here in the United States, that will not make us more competitive.

What we can be scientifically certain of is that our continued use of fossil fuels is pushing us to a point of no return

The world thanks you for sharing Nelson Mandela with us.

There's some bittersweet feelings about leaving the people here [in the White House]. 'Cause even though all the team you assemble, you know, you're going to stay in touch with 'em, it's not the same, you know? The band kind of breaks up.

Our vulnerability to Russia or any other foreign power is directly related to how divided, partisan, dysfunctional our political process is. That's the thing that makes us vulnerable.

Just because we have the best hammer does not mean that every problem is a nail.

America, this is our moment. This is our time. Our time to turn the page on the policies of the past. Our time to bring new energy and new ideas to the challenges we face. Our time to offer a new direction for the country we love.