That sort of lack of awareness on the part of an activist about the constraints of our political system and the constraints on this office, I think, sometimes would leave me to mutter under my breath. Very rarely did I lose it publicly. Yeah, usually I'd just smile.

If you want a model for what is possible, if you want to see how to build a peaceful and prosperous and dynamic society, then look at Berlin and look at Germany.

There are folks who will equivocate. They'll say, 'You know, I'm not a scientist.' Well, I'm not either. But the best scientists in the world know that climate change is happening.

Michelle [Obama] never fully took to the scrutiny. I mean, she's thrived as a first lady, but it's not her preference.

We have seen violence and terror perpetrated by those who profess to stand up for faith, their faith. Professed to stand up for Islam, but in fact are betraying it. Humanity has been grappling with these questions throughout human history. And lest we get on our high horse and think this is unique to some other place, remember that during the Crusades and the Inquisition people committed terrible deeds in the name of Christ.

The people of the United Kingdom have spoken, and we respect their decision. The special relationship between the United States and the United Kingdom is enduring, and the United Kingdom's membership in Nato remains a vital cornerstone of US foreign, security and economic policy.

America is much less violent than it was 20, 30 years ago, and immigration is much less a problem than it was not just 20, 30 years ago, but when I came in as president.