I think it is possible for the world to see a Palestinian state - I'm not going to put a time frame on it - that is contiguous, that allows freedom of movement for its people, that allows for trade with other countries, that allows the creation of businesses and commerce so that people have a better life.

I think that the issues we have with science these days are not restricted to what's happening with respect to religion. There are a lot of very religious scientists around.

The arc of the moral universe may bend towards justice, but it doesn't bend on its own.

I know what the counterterrorism feels like because I was there. But I also operated within limits. And within the United States government, we've decided long ago that there are limits on what we're going to do in the war against terrorism.

There are times where I'd say the Oval Office, you use to gather the facts. The decisions you probably make late at night, or at least I do. But there are some times where you think you've made a decision, but during that walk, where you're announcing the decision, you've just got to make sure that, you're prepared to live with it, because as you know George, a lot of these decisions are not - the outcomes are uncertain.

Rand`s [Paul] a libertarian. He has a view of the world that I don`t share. He said that we shouldn`t have any troops in Iraq. He agreed with Obama that was a disaster. When there was a chance to do something constructive about Syria with a no-fly zone, he said we don`t need one.

It will be up to each of you to make sure that young people, African Americans, Latinos and women who powered our victory in 2008 stand together once again.