In a world with no systems, with chaos, everything becomes a guerilla struggle, and this predictability is not there. And it becomes almost impossible to save lives, educate kids, develop economies, whatever.

We have a unique opportunity to unite America, urban and rural, coastal and midwestern, red and blue, under the banner of a truly unifying national effort. We can start right now.

We live to prove that cooperation works better than conflict.

I pledge that I have no intention of raising taxes in my second term.

Success is not the measure of a man but a triumph over those who choose to hold him back.

That everybody can do something, without regard to how old or young they are, rich or poor or middle class they are, how busy or not busy they are and what level skills they have. Everyone can do something. And everybody should do something. ... And if you do it, you'll be happier.

Let me be clear: we are still a nation of immigrants, and we honor all those immigrants who are working hard to become new citizens.