To those leaders around the globe who seek to sow conflict, or blame their society's ills on the West - know that your people will judge you on what you can build, not what you destroy.

I believe we can keep the promise of our founders, the idea that if you're willing to work hard, it doesn't matter who you are or where you come from or what you look like or who you love. It doesn't matter whether you're black or white or Hispanic or Asian or Native American or young or old or rich or poor, able, disabled, gay or straight, you can make it here in America if you're willing to try.

I don't believe people should to be able to own guns.

We have to recognize we've got some big problems on race, just like we got still big problems on crime, just like we got big problems on just about everything. But we also have to make sure that we've - draw confidence from the progress that we have made, 'cause otherwise, you get into this cycle of cynicism.

So Americans understand the costs of war. Yet as a country, we will never tolerate our security being threatened, nor stand idly by when our people have been killed. We will be relentless in defense of our citizens and our friends and allies. We will be true to the values that make us who we are.

In a global economy where the most valuable skill you can sell is your knowledge, a good education is no longer just a pathway to opportunity - it is a prerequisite.

I've been saying for years, we're gonna have to spend a lot more time on cyber security.