If we are not serious about facts and what's true and what's not. And particularly in an age of social media where so many people are getting their information in sound bites and snippets off their phones, if we can't discriminate between serious arguments and propaganda, then we have problems.

Our goal is to have a country that's not divided by race.

The United States was proud to stand with the people of Germany as this nation and this continent reunited and rebuilt and reached for a better future.

If we fall into the trap of painting all Muslims with a broad brush and imply that we are at war with an entire religion, then we are doing the terrorists' work for them.

The true test of the American ideal is whether we're able to recognize our failings and then rise together to meet the challenges of our time. Whether we allow ourselves to be shaped by events and history, or whether we act to shape them. Whether chance of birth or circumstance decides life's big winners and losers, or whether we build a community where, at the very least, everyone has a chance to work hard, get ahead, and reach their dreams.

I think that Canada is one of the most impressive countries in the world, the way it has managed a diverse population, a migrant economy. The natural beauty of Canada is extraordinary. Obviously there is enormous kinship between the United States and Canada, and the ties that bind our two countries together are things that are very important to us.

There's a whole generation coming up behind us that was engaged, inspired, worked for change during the course of my presidency, saw what was possible.