If you’re walking down the right path and you’re willing to keep walking, eventually you’ll make progress.

It's up to [Angela Merkel] whether she wants to stand again and then ultimately, it'll be up to the German people to decide what the future holds. If I were here and I were German and I had a vote, I might support her.

We've come to be consumed by a 24-hour, slash-and-burn, negative ad, bickering, small-minded politics that doesn't move us forward.

We will convey our deep appreciation for the Islamic faith, which has done so much over the centuries to shape the world - including in my own country.

Part of the reason that our politics seems so tough right now and facts and science and argument does not seem to be winning the day all the time is because we're hardwired not to always think clearly when we're scared. And the country's scared.

If we don’t uphold our Constitution and our values, that over time, that will make us less safe and that will be a recruitment tool for organizations like Al Qaeda. That’s what I have to keep my eye on.

The forces that divide us are not as strong as those that unite us.