"There are millions of Americans outside Washington who are tired of stale political arguments and are moving this country forward. They believe, and I believe, that here in America, our success should depend not on accident of birth, but the strength of our work ethic and the scope of our dreams."
"Our brand of democracy is hard. But I can promise that a year from now, when I no longer hold this office, I'll be right there with you as a citizen - inspired by those voices of fairness and vision, of grit and good humor and kindness that have helped America travel so far."
"Let it be told to the future world that in the depth of winter, when nothing but hope and virtue could survive, that the city and the country, alarmed at one common danger, came forth to meet it."
"In the end, that's what this election is about. Do we participate in a politics of cynicism or a politics of hope?"
"We will restore science to its rightful place and wield technology's wonders to raise health care's quality and lower its cost."
"We, the People, recognize that we have responsibilities as well as rights; that our destinies are bound together; that a freedom which only asks what's in it for me, a freedom without a commitment to others, a freedom without love or charity or duty or patriotism, is unworthy of our founding ideals, and those who died in their defense."