“Don't let your failures define you.”

“You can put lipstick on a pig. It's still a pig.”

“Change won't come from the top, Change will come from mobilized grassroots.”

“No, no. I have been practicing...I bowled a 129. It's like -- it was like Special Olympics, or something." --making an off-hand joke during an appearance on "The Tonight Show", March 19, 2009”

“At the moment that we persuade a child, any child, to cross that threshold, that magic threshold into a library, we change their lives forever, for the better”

“If my father hadn’t exactly disappointed me, he remained something unknown, something volatile and vaguely threatening

“The worst thing that colonialism did was to cloud our view of our past.”

“doubtful of what we can achieve to put their hands on the arc of history and bend it once more toward the hope of a better day.”

“In case you missed it, this week, there was a tragedy in Kansas. Ten thousand people died -- an entire town destroyed." --on a Kansas tornado that killed 12 people”

“This election is about the past vs. the future. It's about whether we settle for the same divisions and distractions and drama that passes for politics today or whether we reach for a politics of common sense and innovation, a politics of shared sacrifice and shared prosperity. There are those who will continue to tell us that we can't do this, that we can't have what we're looking for, that we can't have what we want, that we're peddling false hopes. But here is what I know. I know that when people say we can't overcome all the big money and influence in Washington, I think of that elderly woman who sent me a contribution the other day, an envelope that had a money order for $3.01 along with a verse of scripture tucked inside the envelope. So don't tell us change isn't possible. That woman knows change is possible. When I hear the cynical talk that blacks and whites and Latinos can't join together and work together, I'm reminded of the Latino brothers and sisters I organized with and stood with and fought with side by side for jobs and justice on the streets of Chicago. So don't tell us change can't happen. When I hear that we'll never overcome the racial divide in our politics, I think about that Republican woman who used to work for Strom Thurmond, who is now devoted to educating inner city-children and who went out into the streets of South Carolina and knocked on doors for this campaign. Don't tell me we can't change. Yes, we can. Yes, we can change. Yes, we can. Yes, we can heal this nation. Yes, we can seize our future. And as we leave this great state with a new wind at our backs and we take this journey across this great country, a country we love, with the message we carry from the plains of Iowa to the hills of New Hampshire, from the Nevada desert to the South Carolina coast, the same message we had when we were up and when we were down, that out of many, we are one; that while we breathe, we will hope. And where we are met with cynicism and doubt and fear and those who tell us that we can't, we will respond with that timeless creed that sums up the spirit of the American people in three simple words -- yes, we can.”

“I was impatient in those days, busy with work and unrealized plans, and prone to see other people as unnecessary distractions.”

“Progress does not compel us to settle centuries-old debates about the role of government for all time — but it does require us to act in our time,”

“All too rarely do I hear people asking just what it is that we've done to make so many children's hearts so hard, or what collectively we might do to right their moral compass - what values we must live by.”

“The only way my life makes sense is if, regardless of culture, race, religion, tribe, there is this commonality, these essential human truths and passions and hopes and moral precepts that are universal. And that we can reach out beyond our differences. If that is not the case, then it is pretty hard for me to make sense of my life.”

“To those Americans whose support I have yet to earn, I may not have won your vote tonight, but I hear your voices. I need your help. And I will be your president, too.”