As I reflect back on what's worked for me in this [presidential] office it's been that I've gotten people who maybe didn't believe in the process to get engaged. Ironically, I've even gotten the other side that maybe didn't believe in the process to get engaged.

It is my firm belief that it will be in the interests of the United States, especially our economic interests, to pursue comprehensive immigration reform.

The number of Americans killed since 9/11 by terrorism, it's less than 100. If you look at the number that have been killed by gun violence, it's in the tens of thousands. And for us not to be able to resolve that issue has been something that is distressing.

The ideas of ancient Greece helped inspire America's founding fathers as they reached for democracy. Our revolutionary ideas helped inspire Greeks as they sought their own freedom.

In America, we want a peaceful planet. We want people to be able to enjoy their lives and know they're going to have a bright and prosperous future, not be at war. That's our purpose.

What I said to Donald Trump was that what may work in generating enthusiasm or passion during elections may be different than what will work in terms of unifying the country and gaining the trust even of those who didn't support him.

We now live in a world where the most valuable skill you can sell is knowledge. Revolutions in technology and communication have created an entire economy of high-tech, high-wage jobs that can be located anywhere there's an internet connection. And today, a child in Chicago is not only competing for jobs with one in Boston, but thousands more in Bangalore and Beijing who are being educated longer and better than ever before.