People of Berlin - people of the world - this is our moment. This is our time.

We live in a complex world and at a challenging time.

We know what happens when Europeans start dividing themselves up and emphasizing their differences and seeing a competition between various countries in a zero sum way.

All the good things that are happening in America don't get reported on a lot.

Entrepreneurs embody the promise of America: the idea that if you have a good idea and are willing to work hard and see it through, you can succeed in this country. And in fulfilling this promise, entrepreneurs also play a critical role in expanding our economy and creating jobs.

The federal government and our democracy is not a speedboat. It's an oceanliner, as I discovered when I came into office. It took a lot of really hard work for us to make significant policy changes, even in our first two years, when we had larger majorities than Mr. Trump will enjoy when he comes into office.

We do have to balance this issue of privacy and security. Those who pretend that there's no balance that has to be struck and think we can take a 100-percent absolutist approach to protecting privacy don't recognize that governments are going to be under an enormous burden to prevent the kinds of terrorist acts that not only harm individuals, but also can distort our society and our politics in very dangerous ways.