A lot of countries have advanced capabilities. And given the vulnerabilities of our infrastructure and our economies to digital platforms, we have to be careful in making sure that this doesn't become a lawless, low-level battlefield.

Let's face it, I like Stanford grads. I'd always hear about this campus, and everybody is riding bikes, and people hopping into fountains.

And so you [young Americans]need to be the Idea Generation. The generation who's always thinking on the cutting edge, who's wondering how to create and keep the next wave of American jobs and American innovations, who's figuring out how to out-compete the Idea Generations of Indias and Chinas of the world.

As part of the coalition against ISIL, we are putting that terrorist network under tremendous pressure.

... the country deserves us to be willing to compromise on behalf of the greater good.

We cannot help but believe that the old hatreds shall someday pass; that the lines of tribe shall soon dissolve; that as the world grows smaller, our common humanity shall reveal itself.

One of the things you discover about being president is that there are all these rules and norms and laws and you got to pay attention to them.