We are now at a point where because we in fact have been successful at stopping a number of plots, a threat has evolved. We do see these lone-wolf actors. We do see these encouragements for troubled individuals to pick up a gun and act out of this ideology.

If you give up on the idea that your voice can make a difference, then other voices will fill the void

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 not stand by while the special interests use the same old tactics to keep things exactly the way they are ... Not this time. Not now.

My only agenda for the next two years is the same as the one I’ve had since the day I swore an oath on the steps of this Capitol — to do what I believe is best for America.

The Iranians may simply try to run out the clock.

Around the world, Gandhi, Nelson Mandela -- what they did was hard. It takes time. It takes more than a single term. It takes more than a single president. It takes more than a single individual.