Everybody knows politics is a contact sport.

Here in Europe some of the challenges have to do with structures that are so complicated. You've got Brussels, and you've got parliament, you've got councils and then you've got national governments. So people sometimes don't feel as if they know who's making decisions, and the more that we can bring people in and engage them, the better. Some of it is also cultural and social, people's sense of identity.

We know that ISIL and other terrorist groups are actively encouraging people, around the world and in our country, to commit terrible acts of violence, oftentimes as lone-wolf actors.

Torture is how you create enemies, not how you defeat them.

My administration doesn’t have any secrets, and from now on, neither will you.

It took a lot of blood, sweat and tears to get to where we are today, but we have just begun. Today we begin in earnest the work of making sure that the world we leave our children is just a little bit better than the one we inhabit today.

Sometimes they're nothing, sometimes they're something, sometimes there's a connection that years later may show up. All of this information is useful.