Many of our ideas of democracy, so much of our literature and philosophy and science can be traced back to roots right here in Athens.

If everybody voted, then it would completely change the political map in this country.

I have much more confidence in my ability, or any president or any leader's ability, to mobilize the American people around a multiyear, multibillion-dollar investment to help every child in poverty in this country than I am in being able to mobilize the country around providing a benefit specific to African Americans as a consequence of slavery and Jim Crow.

People will still be looking to the United States. Our example will still carry great weight.

One of the things you learn as president is, as powerful as this office is, you have limited bandwidth. And the time goes by really quickly and you're constantly making choices, and there are pressures on you from all different directions - pressures on your attention, not just pressures from different constituencies. And so you have to be pretty focused about where can you have the biggest, quickest impact.

Cutting our education budget, that's not a smart choice. That will not help America compete with China.

When Michelle and I decided that I would run for President, it was because of a shared belief in the power of community and connection, a commitment to the idea that we are our brothers' keepers.