It's useful for activists just to be out there to keep you mindful and not get complacent, even if ultimately you think some of their criticism is misguided.

Many of us were kind of irritated with Obama for larding it with tax cut, which we didn't think was going to be stimulative.

Well, Governor, we also have fewer horses and bayonets.

It is important to combine structural reforms and good fiscal stewardship with a growth strategy, because when your economy's growing and more revenue's coming in, that helps relieve debt.

I invigorated the grassroots in the Republican Party as well as the Democratic Party.

I am absolutely certain that generations from now, we will be able to look back and tell our children that this was the moment when we began to provide care for the sick and good jobs to the jobless; this was the moment when the rise of the oceans began to slow and our planet began to heal; this was the moment when we ended a war and secured our nation and restored our image as the last, best hope on earth. This was the moment - this was the time - when we came together to remake this great nation so that it may always reflect our very best selves and our highest ideals.

I don't think I underestimated [Vladimir Putin], but I think that I underestimated the degree to which, in this new information age, it is possible for misinformation for cyber hacking and so forth to have an impact on our open societies, our open systems, to insinuate themselves into our democratic practices in ways that I think are accelerating.